Home / 4,987.44-7,476.12-2,387.52

Finding the Fourth Proportional to 4,987.44, 7,476.12 and 2,387.52

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Solution

The fourth proportional to 4,987.44, 7,476.12 and 2,387.52 is: 3,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.44 : 7,476.12 = 2,387.52 : x
  2. Step 2: Convert to fraction form
    4,987.44/7,476.12 = 2,387.52/x
  3. Step 3: Cross multiply
    4,987.44x = 7,476.12 × 2,387.52
  4. Step 4: Simplify right side
    4,987.44x = 17,849,386.02
  5. Step 5: Solve for x
    x = 17,849,386.02/4,987.44
  6. Step 6: Final answer
    x = 3,578.87

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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.