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Finding the Fourth Proportional to 6,641.68, 9,955.56 and 2,479.90

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Solution

The fourth proportional to 6,641.68, 9,955.56 and 2,479.90 is: 3,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.68 : 9,955.56 = 2,479.90 : x
  2. Step 2: Convert to fraction form
    6,641.68/9,955.56 = 2,479.90/x
  3. Step 3: Cross multiply
    6,641.68x = 9,955.56 × 2,479.90
  4. Step 4: Simplify right side
    6,641.68x = 24,688,793.24
  5. Step 5: Solve for x
    x = 24,688,793.24/6,641.68
  6. Step 6: Final answer
    x = 3,717.25

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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.