Home / 4,763.20-7,149.76-2,685.12

Finding the Fourth Proportional to 4,763.20, 7,149.76 and 2,685.12

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Solution

The fourth proportional to 4,763.20, 7,149.76 and 2,685.12 is: 4,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.20 : 7,149.76 = 2,685.12 : x
  2. Step 2: Convert to fraction form
    4,763.20/7,149.76 = 2,685.12/x
  3. Step 3: Cross multiply
    4,763.20x = 7,149.76 × 2,685.12
  4. Step 4: Simplify right side
    4,763.20x = 19,197,963.57
  5. Step 5: Solve for x
    x = 19,197,963.57/4,763.20
  6. Step 6: Final answer
    x = 4,030.48

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1.5x scale

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.