Home / 5,678.76-8,519.19-2,558.85

Finding the Fourth Proportional to 5,678.76, 8,519.19 and 2,558.85

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Solution

The fourth proportional to 5,678.76, 8,519.19 and 2,558.85 is: 3,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.76 : 8,519.19 = 2,558.85 : x
  2. Step 2: Convert to fraction form
    5,678.76/8,519.19 = 2,558.85/x
  3. Step 3: Cross multiply
    5,678.76x = 8,519.19 × 2,558.85
  4. Step 4: Simplify right side
    5,678.76x = 21,799,329.33
  5. Step 5: Solve for x
    x = 21,799,329.33/5,678.76
  6. Step 6: Final answer
    x = 3,838.75

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1.5x scale

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.