Home / 7,534.62-11,281.68-4,242.78

Finding the Fourth Proportional to 7,534.62, 11,281.68 and 4,242.78

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Solution

The fourth proportional to 7,534.62, 11,281.68 and 4,242.78 is: 6,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.62 : 11,281.68 = 4,242.78 : x
  2. Step 2: Convert to fraction form
    7,534.62/11,281.68 = 4,242.78/x
  3. Step 3: Cross multiply
    7,534.62x = 11,281.68 × 4,242.78
  4. Step 4: Simplify right side
    7,534.62x = 47,865,686.27
  5. Step 5: Solve for x
    x = 47,865,686.27/7,534.62
  6. Step 6: Final answer
    x = 6,352.77

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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.