Home / 4,763.60-7,149.45-2,135.15

Finding the Fourth Proportional to 4,763.60, 7,149.45 and 2,135.15

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Solution

The fourth proportional to 4,763.60, 7,149.45 and 2,135.15 is: 3,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.60 : 7,149.45 = 2,135.15 : x
  2. Step 2: Convert to fraction form
    4,763.60/7,149.45 = 2,135.15/x
  3. Step 3: Cross multiply
    4,763.60x = 7,149.45 × 2,135.15
  4. Step 4: Simplify right side
    4,763.60x = 15,265,148.17
  5. Step 5: Solve for x
    x = 15,265,148.17/4,763.60
  6. Step 6: Final answer
    x = 3,204.54

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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.