Home / 8,758.74-12,087.06-5,614.92

Finding the Fourth Proportional to 8,758.74, 12,087.06 and 5,614.92

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Solution

The fourth proportional to 8,758.74, 12,087.06 and 5,614.92 is: 7,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.74 : 12,087.06 = 5,614.92 : x
  2. Step 2: Convert to fraction form
    8,758.74/12,087.06 = 5,614.92/x
  3. Step 3: Cross multiply
    8,758.74x = 12,087.06 × 5,614.92
  4. Step 4: Simplify right side
    8,758.74x = 67,867,874.94
  5. Step 5: Solve for x
    x = 67,867,874.94/8,758.74
  6. Step 6: Final answer
    x = 7,748.59

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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.