Home / 8,726.30-12,042.14-4,747.50

Finding the Fourth Proportional to 8,726.30, 12,042.14 and 4,747.50

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Solution

The fourth proportional to 8,726.30, 12,042.14 and 4,747.50 is: 6,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.30 : 12,042.14 = 4,747.50 : x
  2. Step 2: Convert to fraction form
    8,726.30/12,042.14 = 4,747.50/x
  3. Step 3: Cross multiply
    8,726.30x = 12,042.14 × 4,747.50
  4. Step 4: Simplify right side
    8,726.30x = 57,170,035.91
  5. Step 5: Solve for x
    x = 57,170,035.91/8,726.30
  6. Step 6: Final answer
    x = 6,551.47

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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.