Home / 8,473.40-11,691.57-5,488.82

Finding the Fourth Proportional to 8,473.40, 11,691.57 and 5,488.82

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Solution

The fourth proportional to 8,473.40, 11,691.57 and 5,488.82 is: 7,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.40 : 11,691.57 = 5,488.82 : x
  2. Step 2: Convert to fraction form
    8,473.40/11,691.57 = 5,488.82/x
  3. Step 3: Cross multiply
    8,473.40x = 11,691.57 × 5,488.82
  4. Step 4: Simplify right side
    8,473.40x = 64,172,923.25
  5. Step 5: Solve for x
    x = 64,172,923.25/8,473.40
  6. Step 6: Final answer
    x = 7,573.46

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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.