Home / 7,549.62-11,319.14-2,869.90

Finding the Fourth Proportional to 7,549.62, 11,319.14 and 2,869.90

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Solution

The fourth proportional to 7,549.62, 11,319.14 and 2,869.90 is: 4,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.62 : 11,319.14 = 2,869.90 : x
  2. Step 2: Convert to fraction form
    7,549.62/11,319.14 = 2,869.90/x
  3. Step 3: Cross multiply
    7,549.62x = 11,319.14 × 2,869.90
  4. Step 4: Simplify right side
    7,549.62x = 32,484,799.89
  5. Step 5: Solve for x
    x = 32,484,799.89/7,549.62
  6. Step 6: Final answer
    x = 4,302.84

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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.