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Finding the Fourth Proportional to 4,559, 6,290.74 and 2,670.76

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Solution

The fourth proportional to 4,559, 6,290.74 and 2,670.76 is: 3,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,559 : 6,290.74 = 2,670.76 : x
  2. Step 2: Convert to fraction form
    4,559/6,290.74 = 2,670.76/x
  3. Step 3: Cross multiply
    4,559x = 6,290.74 × 2,670.76
  4. Step 4: Simplify right side
    4,559x = 16,801,056.76
  5. Step 5: Solve for x
    x = 16,801,056.76/4,559
  6. Step 6: Final answer
    x = 3,685.25

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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.