Home / 9,188.92-12,680.64-4,997.20

Finding the Fourth Proportional to 9,188.92, 12,680.64 and 4,997.20

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Solution

The fourth proportional to 9,188.92, 12,680.64 and 4,997.20 is: 6,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.92 : 12,680.64 = 4,997.20 : x
  2. Step 2: Convert to fraction form
    9,188.92/12,680.64 = 4,997.20/x
  3. Step 3: Cross multiply
    9,188.92x = 12,680.64 × 4,997.20
  4. Step 4: Simplify right side
    9,188.92x = 63,367,694.21
  5. Step 5: Solve for x
    x = 63,367,694.21/9,188.92
  6. Step 6: Final answer
    x = 6,896.10

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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.