Home / 5,678.28-8,517.42-3,362.76

Finding the Fourth Proportional to 5,678.28, 8,517.42 and 3,362.76

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Solution

The fourth proportional to 5,678.28, 8,517.42 and 3,362.76 is: 5,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.28 : 8,517.42 = 3,362.76 : x
  2. Step 2: Convert to fraction form
    5,678.28/8,517.42 = 3,362.76/x
  3. Step 3: Cross multiply
    5,678.28x = 8,517.42 × 3,362.76
  4. Step 4: Simplify right side
    5,678.28x = 28,642,039.28
  5. Step 5: Solve for x
    x = 28,642,039.28/5,678.28
  6. Step 6: Final answer
    x = 5,044.14

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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.