Home / 5,564.97-7,679.14-3,326.40

Finding the Fourth Proportional to 5,564.97, 7,679.14 and 3,326.40

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Solution

The fourth proportional to 5,564.97, 7,679.14 and 3,326.40 is: 4,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.97 : 7,679.14 = 3,326.40 : x
  2. Step 2: Convert to fraction form
    5,564.97/7,679.14 = 3,326.40/x
  3. Step 3: Cross multiply
    5,564.97x = 7,679.14 × 3,326.40
  4. Step 4: Simplify right side
    5,564.97x = 25,543,874.66
  5. Step 5: Solve for x
    x = 25,543,874.66/5,564.97
  6. Step 6: Final answer
    x = 4,590.12

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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.