Home / 7,760.75-11,642.13-3,600.18

Finding the Fourth Proportional to 7,760.75, 11,642.13 and 3,600.18

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Solution

The fourth proportional to 7,760.75, 11,642.13 and 3,600.18 is: 5,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.75 : 11,642.13 = 3,600.18 : x
  2. Step 2: Convert to fraction form
    7,760.75/11,642.13 = 3,600.18/x
  3. Step 3: Cross multiply
    7,760.75x = 11,642.13 × 3,600.18
  4. Step 4: Simplify right side
    7,760.75x = 41,913,763.58
  5. Step 5: Solve for x
    x = 41,913,763.58/7,760.75
  6. Step 6: Final answer
    x = 5,400.74

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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.