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Finding the Fourth Proportional to 6,540.70, 9,860.33 and 6,117.88

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Solution

The fourth proportional to 6,540.70, 9,860.33 and 6,117.88 is: 9,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.70 : 9,860.33 = 6,117.88 : x
  2. Step 2: Convert to fraction form
    6,540.70/9,860.33 = 6,117.88/x
  3. Step 3: Cross multiply
    6,540.70x = 9,860.33 × 6,117.88
  4. Step 4: Simplify right side
    6,540.70x = 60,324,324.83
  5. Step 5: Solve for x
    x = 60,324,324.83/6,540.70
  6. Step 6: Final answer
    x = 9,222.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.