Home / 7,728.75-11,587.88-2,462.18

Finding the Fourth Proportional to 7,728.75, 11,587.88 and 2,462.18

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Solution

The fourth proportional to 7,728.75, 11,587.88 and 2,462.18 is: 3,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.75 : 11,587.88 = 2,462.18 : x
  2. Step 2: Convert to fraction form
    7,728.75/11,587.88 = 2,462.18/x
  3. Step 3: Cross multiply
    7,728.75x = 11,587.88 × 2,462.18
  4. Step 4: Simplify right side
    7,728.75x = 28,531,376.13
  5. Step 5: Solve for x
    x = 28,531,376.13/7,728.75
  6. Step 6: Final answer
    x = 3,691.59

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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.