Home / 7,579.11-10,454.42-5,217.15

Finding the Fourth Proportional to 7,579.11, 10,454.42 and 5,217.15

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Solution

The fourth proportional to 7,579.11, 10,454.42 and 5,217.15 is: 7,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.11 : 10,454.42 = 5,217.15 : x
  2. Step 2: Convert to fraction form
    7,579.11/10,454.42 = 5,217.15/x
  3. Step 3: Cross multiply
    7,579.11x = 10,454.42 × 5,217.15
  4. Step 4: Simplify right side
    7,579.11x = 54,542,251.22
  5. Step 5: Solve for x
    x = 54,542,251.22/7,579.11
  6. Step 6: Final answer
    x = 7,196.39

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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.