Home / 5,207.28-7,812.40-2,741.52

Finding the Fourth Proportional to 5,207.28, 7,812.40 and 2,741.52

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Solution

The fourth proportional to 5,207.28, 7,812.40 and 2,741.52 is: 4,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.28 : 7,812.40 = 2,741.52 : x
  2. Step 2: Convert to fraction form
    5,207.28/7,812.40 = 2,741.52/x
  3. Step 3: Cross multiply
    5,207.28x = 7,812.40 × 2,741.52
  4. Step 4: Simplify right side
    5,207.28x = 21,417,850.85
  5. Step 5: Solve for x
    x = 21,417,850.85/5,207.28
  6. Step 6: Final answer
    x = 4,113.06

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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.