Home / 7,209.46-10,814.28-2,279.53

Finding the Fourth Proportional to 7,209.46, 10,814.28 and 2,279.53

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Solution

The fourth proportional to 7,209.46, 10,814.28 and 2,279.53 is: 3,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.46 : 10,814.28 = 2,279.53 : x
  2. Step 2: Convert to fraction form
    7,209.46/10,814.28 = 2,279.53/x
  3. Step 3: Cross multiply
    7,209.46x = 10,814.28 × 2,279.53
  4. Step 4: Simplify right side
    7,209.46x = 24,651,493.48
  5. Step 5: Solve for x
    x = 24,651,493.48/7,209.46
  6. Step 6: Final answer
    x = 3,419.33

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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.