Home / 8,726.85-12,042.13-4,948.80

Finding the Fourth Proportional to 8,726.85, 12,042.13 and 4,948.80

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Solution

The fourth proportional to 8,726.85, 12,042.13 and 4,948.80 is: 6,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.85 : 12,042.13 = 4,948.80 : x
  2. Step 2: Convert to fraction form
    8,726.85/12,042.13 = 4,948.80/x
  3. Step 3: Cross multiply
    8,726.85x = 12,042.13 × 4,948.80
  4. Step 4: Simplify right side
    8,726.85x = 59,594,092.94
  5. Step 5: Solve for x
    x = 59,594,092.94/8,726.85
  6. Step 6: Final answer
    x = 6,828.82

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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.