Home / 10,275.68-15,410.28-2,879.58

Finding the Fourth Proportional to 10,275.68, 15,410.28 and 2,879.58

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Solution

The fourth proportional to 10,275.68, 15,410.28 and 2,879.58 is: 4,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.68 : 15,410.28 = 2,879.58 : x
  2. Step 2: Convert to fraction form
    10,275.68/15,410.28 = 2,879.58/x
  3. Step 3: Cross multiply
    10,275.68x = 15,410.28 × 2,879.58
  4. Step 4: Simplify right side
    10,275.68x = 44,375,134.08
  5. Step 5: Solve for x
    x = 44,375,134.08/10,275.68
  6. Step 6: Final answer
    x = 4,318.46

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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.