Home / 10,452.42-15,677.28-2,660.76

Finding the Fourth Proportional to 10,452.42, 15,677.28 and 2,660.76

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Solution

The fourth proportional to 10,452.42, 15,677.28 and 2,660.76 is: 3,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.42 : 15,677.28 = 2,660.76 : x
  2. Step 2: Convert to fraction form
    10,452.42/15,677.28 = 2,660.76/x
  3. Step 3: Cross multiply
    10,452.42x = 15,677.28 × 2,660.76
  4. Step 4: Simplify right side
    10,452.42x = 41,713,479.53
  5. Step 5: Solve for x
    x = 41,713,479.53/10,452.42
  6. Step 6: Final answer
    x = 3,990.80

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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.