Home / 5,142.62-7,699.62-3,382.22

Finding the Fourth Proportional to 5,142.62, 7,699.62 and 3,382.22

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Solution

The fourth proportional to 5,142.62, 7,699.62 and 3,382.22 is: 5,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.62 : 7,699.62 = 3,382.22 : x
  2. Step 2: Convert to fraction form
    5,142.62/7,699.62 = 3,382.22/x
  3. Step 3: Cross multiply
    5,142.62x = 7,699.62 × 3,382.22
  4. Step 4: Simplify right side
    5,142.62x = 26,041,808.76
  5. Step 5: Solve for x
    x = 26,041,808.76/5,142.62
  6. Step 6: Final answer
    x = 5,063.92

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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.