Home / 8,726.90-12,043.15-4,747.97

Finding the Fourth Proportional to 8,726.90, 12,043.15 and 4,747.97

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Solution

The fourth proportional to 8,726.90, 12,043.15 and 4,747.97 is: 6,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.90 : 12,043.15 = 4,747.97 : x
  2. Step 2: Convert to fraction form
    8,726.90/12,043.15 = 4,747.97/x
  3. Step 3: Cross multiply
    8,726.90x = 12,043.15 × 4,747.97
  4. Step 4: Simplify right side
    8,726.90x = 57,180,533.14
  5. Step 5: Solve for x
    x = 57,180,533.14/8,726.90
  6. Step 6: Final answer
    x = 6,552.22

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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.