Home / 5,452.90-8,178.56-1,754.65

Finding the Fourth Proportional to 5,452.90, 8,178.56 and 1,754.65

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Solution

The fourth proportional to 5,452.90, 8,178.56 and 1,754.65 is: 2,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.90 : 8,178.56 = 1,754.65 : x
  2. Step 2: Convert to fraction form
    5,452.90/8,178.56 = 1,754.65/x
  3. Step 3: Cross multiply
    5,452.90x = 8,178.56 × 1,754.65
  4. Step 4: Simplify right side
    5,452.90x = 14,350,460.64
  5. Step 5: Solve for x
    x = 14,350,460.64/5,452.90
  6. Step 6: Final answer
    x = 2,631.71

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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.