Home / 7,434.32-11,144.88-5,781.92

Finding the Fourth Proportional to 7,434.32, 11,144.88 and 5,781.92

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Solution

The fourth proportional to 7,434.32, 11,144.88 and 5,781.92 is: 8,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.32 : 11,144.88 = 5,781.92 : x
  2. Step 2: Convert to fraction form
    7,434.32/11,144.88 = 5,781.92/x
  3. Step 3: Cross multiply
    7,434.32x = 11,144.88 × 5,781.92
  4. Step 4: Simplify right side
    7,434.32x = 64,438,804.57
  5. Step 5: Solve for x
    x = 64,438,804.57/7,434.32
  6. Step 6: Final answer
    x = 8,667.75

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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.