Home / 8,726.52-12,042.40-4,747.64

Finding the Fourth Proportional to 8,726.52, 12,042.40 and 4,747.64

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Solution

The fourth proportional to 8,726.52, 12,042.40 and 4,747.64 is: 6,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.52 : 12,042.40 = 4,747.64 : x
  2. Step 2: Convert to fraction form
    8,726.52/12,042.40 = 4,747.64/x
  3. Step 3: Cross multiply
    8,726.52x = 12,042.40 × 4,747.64
  4. Step 4: Simplify right side
    8,726.52x = 57,172,979.94
  5. Step 5: Solve for x
    x = 57,172,979.94/8,726.52
  6. Step 6: Final answer
    x = 6,551.64

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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.