Home / 5,427.52-8,141.30-1,323.52

Finding the Fourth Proportional to 5,427.52, 8,141.30 and 1,323.52

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Solution

The fourth proportional to 5,427.52, 8,141.30 and 1,323.52 is: 1,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.52 : 8,141.30 = 1,323.52 : x
  2. Step 2: Convert to fraction form
    5,427.52/8,141.30 = 1,323.52/x
  3. Step 3: Cross multiply
    5,427.52x = 8,141.30 × 1,323.52
  4. Step 4: Simplify right side
    5,427.52x = 10,775,173.38
  5. Step 5: Solve for x
    x = 10,775,173.38/5,427.52
  6. Step 6: Final answer
    x = 1,985.28

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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.