Home / 7,489.56-11,235.33-2,557.87

Finding the Fourth Proportional to 7,489.56, 11,235.33 and 2,557.87

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Solution

The fourth proportional to 7,489.56, 11,235.33 and 2,557.87 is: 3,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.56 : 11,235.33 = 2,557.87 : x
  2. Step 2: Convert to fraction form
    7,489.56/11,235.33 = 2,557.87/x
  3. Step 3: Cross multiply
    7,489.56x = 11,235.33 × 2,557.87
  4. Step 4: Simplify right side
    7,489.56x = 28,738,513.55
  5. Step 5: Solve for x
    x = 28,738,513.55/7,489.56
  6. Step 6: Final answer
    x = 3,837.14

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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.