Home / 8,726.09-12,042.04-4,747.23

Finding the Fourth Proportional to 8,726.09, 12,042.04 and 4,747.23

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Solution

The fourth proportional to 8,726.09, 12,042.04 and 4,747.23 is: 6,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.09 : 12,042.04 = 4,747.23 : x
  2. Step 2: Convert to fraction form
    8,726.09/12,042.04 = 4,747.23/x
  3. Step 3: Cross multiply
    8,726.09x = 12,042.04 × 4,747.23
  4. Step 4: Simplify right side
    8,726.09x = 57,166,333.55
  5. Step 5: Solve for x
    x = 57,166,333.55/8,726.09
  6. Step 6: Final answer
    x = 6,551.20

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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.