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Finding the Fourth Proportional to 4,565.41, 6,848.12 and 1,278.99

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Solution

The fourth proportional to 4,565.41, 6,848.12 and 1,278.99 is: 1,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,565.41 : 6,848.12 = 1,278.99 : x
  2. Step 2: Convert to fraction form
    4,565.41/6,848.12 = 1,278.99/x
  3. Step 3: Cross multiply
    4,565.41x = 6,848.12 × 1,278.99
  4. Step 4: Simplify right side
    4,565.41x = 8,758,670.60
  5. Step 5: Solve for x
    x = 8,758,670.60/4,565.41
  6. Step 6: Final answer
    x = 1,918.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,566.41, 6,849.62 and 1,279.99
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.