Home / 5,564.38-7,678.72-3,326.76

Finding the Fourth Proportional to 5,564.38, 7,678.72 and 3,326.76

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Solution

The fourth proportional to 5,564.38, 7,678.72 and 3,326.76 is: 4,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.38 : 7,678.72 = 3,326.76 : x
  2. Step 2: Convert to fraction form
    5,564.38/7,678.72 = 3,326.76/x
  3. Step 3: Cross multiply
    5,564.38x = 7,678.72 × 3,326.76
  4. Step 4: Simplify right side
    5,564.38x = 25,545,258.55
  5. Step 5: Solve for x
    x = 25,545,258.55/5,564.38
  6. Step 6: Final answer
    x = 4,590.85

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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.