Home / 7,455.20-10,288.17-4,098.20

Finding the Fourth Proportional to 7,455.20, 10,288.17 and 4,098.20

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Solution

The fourth proportional to 7,455.20, 10,288.17 and 4,098.20 is: 5,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.20 : 10,288.17 = 4,098.20 : x
  2. Step 2: Convert to fraction form
    7,455.20/10,288.17 = 4,098.20/x
  3. Step 3: Cross multiply
    7,455.20x = 10,288.17 × 4,098.20
  4. Step 4: Simplify right side
    7,455.20x = 42,162,926.85
  5. Step 5: Solve for x
    x = 42,162,926.85/7,455.20
  6. Step 6: Final answer
    x = 5,655.51

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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.