Home / 8,733.92-12,042.88-6,634.40

Finding the Fourth Proportional to 8,733.92, 12,042.88 and 6,634.40

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Solution

The fourth proportional to 8,733.92, 12,042.88 and 6,634.40 is: 9,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.92 : 12,042.88 = 6,634.40 : x
  2. Step 2: Convert to fraction form
    8,733.92/12,042.88 = 6,634.40/x
  3. Step 3: Cross multiply
    8,733.92x = 12,042.88 × 6,634.40
  4. Step 4: Simplify right side
    8,733.92x = 79,897,283.07
  5. Step 5: Solve for x
    x = 79,897,283.07/8,733.92
  6. Step 6: Final answer
    x = 9,147.93

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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.