Home / 5,445.36-8,167.76-1,549.28

Finding the Fourth Proportional to 5,445.36, 8,167.76 and 1,549.28

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Solution

The fourth proportional to 5,445.36, 8,167.76 and 1,549.28 is: 2,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.36 : 8,167.76 = 1,549.28 : x
  2. Step 2: Convert to fraction form
    5,445.36/8,167.76 = 1,549.28/x
  3. Step 3: Cross multiply
    5,445.36x = 8,167.76 × 1,549.28
  4. Step 4: Simplify right side
    5,445.36x = 12,654,147.21
  5. Step 5: Solve for x
    x = 12,654,147.21/5,445.36
  6. Step 6: Final answer
    x = 2,323.84

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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.