Home / 7,458.40-11,165.68-5,229.48

Finding the Fourth Proportional to 7,458.40, 11,165.68 and 5,229.48

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Solution

The fourth proportional to 7,458.40, 11,165.68 and 5,229.48 is: 7,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.40 : 11,165.68 = 5,229.48 : x
  2. Step 2: Convert to fraction form
    7,458.40/11,165.68 = 5,229.48/x
  3. Step 3: Cross multiply
    7,458.40x = 11,165.68 × 5,229.48
  4. Step 4: Simplify right side
    7,458.40x = 58,390,700.25
  5. Step 5: Solve for x
    x = 58,390,700.25/7,458.40
  6. Step 6: Final answer
    x = 7,828.85

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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.