Home / 8,172.32-11,277.14-4,635.86

Finding the Fourth Proportional to 8,172.32, 11,277.14 and 4,635.86

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Solution

The fourth proportional to 8,172.32, 11,277.14 and 4,635.86 is: 6,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.32 : 11,277.14 = 4,635.86 : x
  2. Step 2: Convert to fraction form
    8,172.32/11,277.14 = 4,635.86/x
  3. Step 3: Cross multiply
    8,172.32x = 11,277.14 × 4,635.86
  4. Step 4: Simplify right side
    8,172.32x = 52,279,282.02
  5. Step 5: Solve for x
    x = 52,279,282.02/8,172.32
  6. Step 6: Final answer
    x = 6,397.11

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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.