Home / 5,177.48-7,757.70-2,988.04

Finding the Fourth Proportional to 5,177.48, 7,757.70 and 2,988.04

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Solution

The fourth proportional to 5,177.48, 7,757.70 and 2,988.04 is: 4,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.48 : 7,757.70 = 2,988.04 : x
  2. Step 2: Convert to fraction form
    5,177.48/7,757.70 = 2,988.04/x
  3. Step 3: Cross multiply
    5,177.48x = 7,757.70 × 2,988.04
  4. Step 4: Simplify right side
    5,177.48x = 23,180,317.91
  5. Step 5: Solve for x
    x = 23,180,317.91/5,177.48
  6. Step 6: Final answer
    x = 4,477.14

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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.