Home / 7,489.14-11,230.98-2,557.46

Finding the Fourth Proportional to 7,489.14, 11,230.98 and 2,557.46

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Solution

The fourth proportional to 7,489.14, 11,230.98 and 2,557.46 is: 3,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.14 : 11,230.98 = 2,557.46 : x
  2. Step 2: Convert to fraction form
    7,489.14/11,230.98 = 2,557.46/x
  3. Step 3: Cross multiply
    7,489.14x = 11,230.98 × 2,557.46
  4. Step 4: Simplify right side
    7,489.14x = 28,722,725.96
  5. Step 5: Solve for x
    x = 28,722,725.96/7,489.14
  6. Step 6: Final answer
    x = 3,835.25

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1.5x scale

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.