Home / 5,102.55-7,652.30-1,814.89

Finding the Fourth Proportional to 5,102.55, 7,652.30 and 1,814.89

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Solution

The fourth proportional to 5,102.55, 7,652.30 and 1,814.89 is: 2,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.55 : 7,652.30 = 1,814.89 : x
  2. Step 2: Convert to fraction form
    5,102.55/7,652.30 = 1,814.89/x
  3. Step 3: Cross multiply
    5,102.55x = 7,652.30 × 1,814.89
  4. Step 4: Simplify right side
    5,102.55x = 13,888,082.75
  5. Step 5: Solve for x
    x = 13,888,082.75/5,102.55
  6. Step 6: Final answer
    x = 2,721.79

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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.