Home / 6,540.39-9,806.45-4,316.85

Finding the Fourth Proportional to 6,540.39, 9,806.45 and 4,316.85

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Solution

The fourth proportional to 6,540.39, 9,806.45 and 4,316.85 is: 6,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.39 : 9,806.45 = 4,316.85 : x
  2. Step 2: Convert to fraction form
    6,540.39/9,806.45 = 4,316.85/x
  3. Step 3: Cross multiply
    6,540.39x = 9,806.45 × 4,316.85
  4. Step 4: Simplify right side
    6,540.39x = 42,332,952.10
  5. Step 5: Solve for x
    x = 42,332,952.10/6,540.39
  6. Step 6: Final answer
    x = 6,472.54

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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.