Home / 8,748.11-13,118.31-2,506.70

Finding the Fourth Proportional to 8,748.11, 13,118.31 and 2,506.70

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Solution

The fourth proportional to 8,748.11, 13,118.31 and 2,506.70 is: 3,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.11 : 13,118.31 = 2,506.70 : x
  2. Step 2: Convert to fraction form
    8,748.11/13,118.31 = 2,506.70/x
  3. Step 3: Cross multiply
    8,748.11x = 13,118.31 × 2,506.70
  4. Step 4: Simplify right side
    8,748.11x = 32,883,700.47
  5. Step 5: Solve for x
    x = 32,883,700.47/8,748.11
  6. Step 6: Final answer
    x = 3,758.95

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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.