Home / 4,987.10-7,481.20-2,064.98

Finding the Fourth Proportional to 4,987.10, 7,481.20 and 2,064.98

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Solution

The fourth proportional to 4,987.10, 7,481.20 and 2,064.98 is: 3,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.10 : 7,481.20 = 2,064.98 : x
  2. Step 2: Convert to fraction form
    4,987.10/7,481.20 = 2,064.98/x
  3. Step 3: Cross multiply
    4,987.10x = 7,481.20 × 2,064.98
  4. Step 4: Simplify right side
    4,987.10x = 15,448,528.38
  5. Step 5: Solve for x
    x = 15,448,528.38/4,987.10
  6. Step 6: Final answer
    x = 3,097.70

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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.