Home / 7,524.32-10,372.68-5,279.24

Finding the Fourth Proportional to 7,524.32, 10,372.68 and 5,279.24

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Solution

The fourth proportional to 7,524.32, 10,372.68 and 5,279.24 is: 7,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.32 : 10,372.68 = 5,279.24 : x
  2. Step 2: Convert to fraction form
    7,524.32/10,372.68 = 5,279.24/x
  3. Step 3: Cross multiply
    7,524.32x = 10,372.68 × 5,279.24
  4. Step 4: Simplify right side
    7,524.32x = 54,759,867.16
  5. Step 5: Solve for x
    x = 54,759,867.16/7,524.32
  6. Step 6: Final answer
    x = 7,277.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.