Home / 8,651.28-11,938.81-4,874.51

Finding the Fourth Proportional to 8,651.28, 11,938.81 and 4,874.51

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Solution

The fourth proportional to 8,651.28, 11,938.81 and 4,874.51 is: 6,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.28 : 11,938.81 = 4,874.51 : x
  2. Step 2: Convert to fraction form
    8,651.28/11,938.81 = 4,874.51/x
  3. Step 3: Cross multiply
    8,651.28x = 11,938.81 × 4,874.51
  4. Step 4: Simplify right side
    8,651.28x = 58,195,848.73
  5. Step 5: Solve for x
    x = 58,195,848.73/8,651.28
  6. Step 6: Final answer
    x = 6,726.85

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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.