Home / 6,278.75-8,665.08-3,484.25

Finding the Fourth Proportional to 6,278.75, 8,665.08 and 3,484.25

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Solution

The fourth proportional to 6,278.75, 8,665.08 and 3,484.25 is: 4,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.75 : 8,665.08 = 3,484.25 : x
  2. Step 2: Convert to fraction form
    6,278.75/8,665.08 = 3,484.25/x
  3. Step 3: Cross multiply
    6,278.75x = 8,665.08 × 3,484.25
  4. Step 4: Simplify right side
    6,278.75x = 30,191,304.99
  5. Step 5: Solve for x
    x = 30,191,304.99/6,278.75
  6. Step 6: Final answer
    x = 4,808.49

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Find fourth proportional to 3,139.38, 4,332.54 and 1,742.13
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.