Home / 6,487.72-9,730.52-2,327.12

Finding the Fourth Proportional to 6,487.72, 9,730.52 and 2,327.12

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Solution

The fourth proportional to 6,487.72, 9,730.52 and 2,327.12 is: 3,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.72 : 9,730.52 = 2,327.12 : x
  2. Step 2: Convert to fraction form
    6,487.72/9,730.52 = 2,327.12/x
  3. Step 3: Cross multiply
    6,487.72x = 9,730.52 × 2,327.12
  4. Step 4: Simplify right side
    6,487.72x = 22,644,087.70
  5. Step 5: Solve for x
    x = 22,644,087.70/6,487.72
  6. Step 6: Final answer
    x = 3,490.30

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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.