Home / 4,452.80-6,681.76-1,987.52

Finding the Fourth Proportional to 4,452.80, 6,681.76 and 1,987.52

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Solution

The fourth proportional to 4,452.80, 6,681.76 and 1,987.52 is: 2,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.80 : 6,681.76 = 1,987.52 : x
  2. Step 2: Convert to fraction form
    4,452.80/6,681.76 = 1,987.52/x
  3. Step 3: Cross multiply
    4,452.80x = 6,681.76 × 1,987.52
  4. Step 4: Simplify right side
    4,452.80x = 13,280,131.64
  5. Step 5: Solve for x
    x = 13,280,131.64/4,452.80
  6. Step 6: Final answer
    x = 2,982.42

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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.