Home / 8,680.24-13,012.39-3,132.28

Finding the Fourth Proportional to 8,680.24, 13,012.39 and 3,132.28

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Solution

The fourth proportional to 8,680.24, 13,012.39 and 3,132.28 is: 4,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.24 : 13,012.39 = 3,132.28 : x
  2. Step 2: Convert to fraction form
    8,680.24/13,012.39 = 3,132.28/x
  3. Step 3: Cross multiply
    8,680.24x = 13,012.39 × 3,132.28
  4. Step 4: Simplify right side
    8,680.24x = 40,758,448.95
  5. Step 5: Solve for x
    x = 40,758,448.95/8,680.24
  6. Step 6: Final answer
    x = 4,695.54

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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.