Home / 5,443.28-8,160.14-1,932.74

Finding the Fourth Proportional to 5,443.28, 8,160.14 and 1,932.74

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Solution

The fourth proportional to 5,443.28, 8,160.14 and 1,932.74 is: 2,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.28 : 8,160.14 = 1,932.74 : x
  2. Step 2: Convert to fraction form
    5,443.28/8,160.14 = 1,932.74/x
  3. Step 3: Cross multiply
    5,443.28x = 8,160.14 × 1,932.74
  4. Step 4: Simplify right side
    5,443.28x = 15,771,378.52
  5. Step 5: Solve for x
    x = 15,771,378.52/5,443.28
  6. Step 6: Final answer
    x = 2,897.41

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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.