Home / 6,985.68-10,470.96-3,523.20

Finding the Fourth Proportional to 6,985.68, 10,470.96 and 3,523.20

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Solution

The fourth proportional to 6,985.68, 10,470.96 and 3,523.20 is: 5,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.68 : 10,470.96 = 3,523.20 : x
  2. Step 2: Convert to fraction form
    6,985.68/10,470.96 = 3,523.20/x
  3. Step 3: Cross multiply
    6,985.68x = 10,470.96 × 3,523.20
  4. Step 4: Simplify right side
    6,985.68x = 36,891,286.27
  5. Step 5: Solve for x
    x = 36,891,286.27/6,985.68
  6. Step 6: Final answer
    x = 5,280.99

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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.