Home / 9,805.80-13,531.17-5,827.86

Finding the Fourth Proportional to 9,805.80, 13,531.17 and 5,827.86

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Solution

The fourth proportional to 9,805.80, 13,531.17 and 5,827.86 is: 8,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.80 : 13,531.17 = 5,827.86 : x
  2. Step 2: Convert to fraction form
    9,805.80/13,531.17 = 5,827.86/x
  3. Step 3: Cross multiply
    9,805.80x = 13,531.17 × 5,827.86
  4. Step 4: Simplify right side
    9,805.80x = 78,857,764.40
  5. Step 5: Solve for x
    x = 78,857,764.40/9,805.80
  6. Step 6: Final answer
    x = 8,041.95

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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.