Home / 8,748-13,117.68-3,200.58

Finding the Fourth Proportional to 8,748, 13,117.68 and 3,200.58

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Solution

The fourth proportional to 8,748, 13,117.68 and 3,200.58 is: 4,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748 : 13,117.68 = 3,200.58 : x
  2. Step 2: Convert to fraction form
    8,748/13,117.68 = 3,200.58/x
  3. Step 3: Cross multiply
    8,748x = 13,117.68 × 3,200.58
  4. Step 4: Simplify right side
    8,748x = 41,984,184.25
  5. Step 5: Solve for x
    x = 41,984,184.25/8,748
  6. Step 6: Final answer
    x = 4,799.29

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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.