Home / 8,262.07-12,393.88-2,715.43

Finding the Fourth Proportional to 8,262.07, 12,393.88 and 2,715.43

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Solution

The fourth proportional to 8,262.07, 12,393.88 and 2,715.43 is: 4,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.07 : 12,393.88 = 2,715.43 : x
  2. Step 2: Convert to fraction form
    8,262.07/12,393.88 = 2,715.43/x
  3. Step 3: Cross multiply
    8,262.07x = 12,393.88 × 2,715.43
  4. Step 4: Simplify right side
    8,262.07x = 33,654,713.57
  5. Step 5: Solve for x
    x = 33,654,713.57/8,262.07
  6. Step 6: Final answer
    x = 4,073.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.