Home / 7,528.36-10,380.18-5,222.92

Finding the Fourth Proportional to 7,528.36, 10,380.18 and 5,222.92

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Solution

The fourth proportional to 7,528.36, 10,380.18 and 5,222.92 is: 7,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.36 : 10,380.18 = 5,222.92 : x
  2. Step 2: Convert to fraction form
    7,528.36/10,380.18 = 5,222.92/x
  3. Step 3: Cross multiply
    7,528.36x = 10,380.18 × 5,222.92
  4. Step 4: Simplify right side
    7,528.36x = 54,214,849.73
  5. Step 5: Solve for x
    x = 54,214,849.73/7,528.36
  6. Step 6: Final answer
    x = 7,201.42

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Half scale
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Double scale
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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.