Home / 5,780.88-8,668.89-4,211.10

Finding the Fourth Proportional to 5,780.88, 8,668.89 and 4,211.10

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Solution

The fourth proportional to 5,780.88, 8,668.89 and 4,211.10 is: 6,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.88 : 8,668.89 = 4,211.10 : x
  2. Step 2: Convert to fraction form
    5,780.88/8,668.89 = 4,211.10/x
  3. Step 3: Cross multiply
    5,780.88x = 8,668.89 × 4,211.10
  4. Step 4: Simplify right side
    5,780.88x = 36,505,562.68
  5. Step 5: Solve for x
    x = 36,505,562.68/5,780.88
  6. Step 6: Final answer
    x = 6,314.88

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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.