Home / 5,184.90-7,776.19-1,487.11

Finding the Fourth Proportional to 5,184.90, 7,776.19 and 1,487.11

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Solution

The fourth proportional to 5,184.90, 7,776.19 and 1,487.11 is: 2,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.90 : 7,776.19 = 1,487.11 : x
  2. Step 2: Convert to fraction form
    5,184.90/7,776.19 = 1,487.11/x
  3. Step 3: Cross multiply
    5,184.90x = 7,776.19 × 1,487.11
  4. Step 4: Simplify right side
    5,184.90x = 11,564,049.91
  5. Step 5: Solve for x
    x = 11,564,049.91/5,184.90
  6. Step 6: Final answer
    x = 2,230.33

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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.