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Finding the Fourth Proportional to 6,345.68, 8,757.06 and 3,551

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Solution

The fourth proportional to 6,345.68, 8,757.06 and 3,551 is: 4,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.68 : 8,757.06 = 3,551 : x
  2. Step 2: Convert to fraction form
    6,345.68/8,757.06 = 3,551/x
  3. Step 3: Cross multiply
    6,345.68x = 8,757.06 × 3,551
  4. Step 4: Simplify right side
    6,345.68x = 31,096,320.06
  5. Step 5: Solve for x
    x = 31,096,320.06/6,345.68
  6. Step 6: Final answer
    x = 4,900.39

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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.