Home / 7,182.24-10,773.42-1,988.52

Finding the Fourth Proportional to 7,182.24, 10,773.42 and 1,988.52

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Solution

The fourth proportional to 7,182.24, 10,773.42 and 1,988.52 is: 2,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.24 : 10,773.42 = 1,988.52 : x
  2. Step 2: Convert to fraction form
    7,182.24/10,773.42 = 1,988.52/x
  3. Step 3: Cross multiply
    7,182.24x = 10,773.42 × 1,988.52
  4. Step 4: Simplify right side
    7,182.24x = 21,423,161.14
  5. Step 5: Solve for x
    x = 21,423,161.14/7,182.24
  6. Step 6: Final answer
    x = 2,982.80

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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.