Home / 5,020.20-7,528.95-2,097.90

Finding the Fourth Proportional to 5,020.20, 7,528.95 and 2,097.90

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Solution

The fourth proportional to 5,020.20, 7,528.95 and 2,097.90 is: 3,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.20 : 7,528.95 = 2,097.90 : x
  2. Step 2: Convert to fraction form
    5,020.20/7,528.95 = 2,097.90/x
  3. Step 3: Cross multiply
    5,020.20x = 7,528.95 × 2,097.90
  4. Step 4: Simplify right side
    5,020.20x = 15,794,984.21
  5. Step 5: Solve for x
    x = 15,794,984.21/5,020.20
  6. Step 6: Final answer
    x = 3,146.29

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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.