Home / 7,517.54-11,275.97-2,587.20

Finding the Fourth Proportional to 7,517.54, 11,275.97 and 2,587.20

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Solution

The fourth proportional to 7,517.54, 11,275.97 and 2,587.20 is: 3,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.54 : 11,275.97 = 2,587.20 : x
  2. Step 2: Convert to fraction form
    7,517.54/11,275.97 = 2,587.20/x
  3. Step 3: Cross multiply
    7,517.54x = 11,275.97 × 2,587.20
  4. Step 4: Simplify right side
    7,517.54x = 29,173,176.65
  5. Step 5: Solve for x
    x = 29,173,176.65/7,517.54
  6. Step 6: Final answer
    x = 3,880.68

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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.