Home / 4,851.10-7,281.20-2,387.70

Finding the Fourth Proportional to 4,851.10, 7,281.20 and 2,387.70

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Solution

The fourth proportional to 4,851.10, 7,281.20 and 2,387.70 is: 3,583.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.10 : 7,281.20 = 2,387.70 : x
  2. Step 2: Convert to fraction form
    4,851.10/7,281.20 = 2,387.70/x
  3. Step 3: Cross multiply
    4,851.10x = 7,281.20 × 2,387.70
  4. Step 4: Simplify right side
    4,851.10x = 17,385,321.24
  5. Step 5: Solve for x
    x = 17,385,321.24/4,851.10
  6. Step 6: Final answer
    x = 3,583.79

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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.