Home / 8,193.12-11,315.88-5,535.96

Finding the Fourth Proportional to 8,193.12, 11,315.88 and 5,535.96

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Solution

The fourth proportional to 8,193.12, 11,315.88 and 5,535.96 is: 7,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.12 : 11,315.88 = 5,535.96 : x
  2. Step 2: Convert to fraction form
    8,193.12/11,315.88 = 5,535.96/x
  3. Step 3: Cross multiply
    8,193.12x = 11,315.88 × 5,535.96
  4. Step 4: Simplify right side
    8,193.12x = 62,644,259.04
  5. Step 5: Solve for x
    x = 62,644,259.04/8,193.12
  6. Step 6: Final answer
    x = 7,645.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.