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Finding the Fourth Proportional to 6,457.92, 9,684.08 and 3,339.68

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Solution

The fourth proportional to 6,457.92, 9,684.08 and 3,339.68 is: 5,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.92 : 9,684.08 = 3,339.68 : x
  2. Step 2: Convert to fraction form
    6,457.92/9,684.08 = 3,339.68/x
  3. Step 3: Cross multiply
    6,457.92x = 9,684.08 × 3,339.68
  4. Step 4: Simplify right side
    6,457.92x = 32,341,728.29
  5. Step 5: Solve for x
    x = 32,341,728.29/6,457.92
  6. Step 6: Final answer
    x = 5,008.07

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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.