Home / 5,020.60-7,535.54-2,557.20

Finding the Fourth Proportional to 5,020.60, 7,535.54 and 2,557.20

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Solution

The fourth proportional to 5,020.60, 7,535.54 and 2,557.20 is: 3,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.60 : 7,535.54 = 2,557.20 : x
  2. Step 2: Convert to fraction form
    5,020.60/7,535.54 = 2,557.20/x
  3. Step 3: Cross multiply
    5,020.60x = 7,535.54 × 2,557.20
  4. Step 4: Simplify right side
    5,020.60x = 19,269,882.89
  5. Step 5: Solve for x
    x = 19,269,882.89/5,020.60
  6. Step 6: Final answer
    x = 3,838.16

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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.