Home / 8,704.17-12,013.65-5,348.75

Finding the Fourth Proportional to 8,704.17, 12,013.65 and 5,348.75

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Solution

The fourth proportional to 8,704.17, 12,013.65 and 5,348.75 is: 7,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.17 : 12,013.65 = 5,348.75 : x
  2. Step 2: Convert to fraction form
    8,704.17/12,013.65 = 5,348.75/x
  3. Step 3: Cross multiply
    8,704.17x = 12,013.65 × 5,348.75
  4. Step 4: Simplify right side
    8,704.17x = 64,257,950.37
  5. Step 5: Solve for x
    x = 64,257,950.37/8,704.17
  6. Step 6: Final answer
    x = 7,382.43

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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.