Home / 6,581.16-9,865.67-3,291.39

Finding the Fourth Proportional to 6,581.16, 9,865.67 and 3,291.39

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Solution

The fourth proportional to 6,581.16, 9,865.67 and 3,291.39 is: 4,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.16 : 9,865.67 = 3,291.39 : x
  2. Step 2: Convert to fraction form
    6,581.16/9,865.67 = 3,291.39/x
  3. Step 3: Cross multiply
    6,581.16x = 9,865.67 × 3,291.39
  4. Step 4: Simplify right side
    6,581.16x = 32,471,751.12
  5. Step 5: Solve for x
    x = 32,471,751.12/6,581.16
  6. Step 6: Final answer
    x = 4,934.05

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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.