Home / 4,950.16-7,428.87-3,987.88

Finding the Fourth Proportional to 4,950.16, 7,428.87 and 3,987.88

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Solution

The fourth proportional to 4,950.16, 7,428.87 and 3,987.88 is: 5,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.16 : 7,428.87 = 3,987.88 : x
  2. Step 2: Convert to fraction form
    4,950.16/7,428.87 = 3,987.88/x
  3. Step 3: Cross multiply
    4,950.16x = 7,428.87 × 3,987.88
  4. Step 4: Simplify right side
    4,950.16x = 29,625,442.10
  5. Step 5: Solve for x
    x = 29,625,442.10/4,950.16
  6. Step 6: Final answer
    x = 5,984.74

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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.