Home / 8,901.32-12,282.04-4,921.66

Finding the Fourth Proportional to 8,901.32, 12,282.04 and 4,921.66

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Solution

The fourth proportional to 8,901.32, 12,282.04 and 4,921.66 is: 6,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.32 : 12,282.04 = 4,921.66 : x
  2. Step 2: Convert to fraction form
    8,901.32/12,282.04 = 4,921.66/x
  3. Step 3: Cross multiply
    8,901.32x = 12,282.04 × 4,921.66
  4. Step 4: Simplify right side
    8,901.32x = 60,448,000.38
  5. Step 5: Solve for x
    x = 60,448,000.38/8,901.32
  6. Step 6: Final answer
    x = 6,790.91

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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.