Home / 5,779.35-8,670.15-2,081.88

Finding the Fourth Proportional to 5,779.35, 8,670.15 and 2,081.88

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Solution

The fourth proportional to 5,779.35, 8,670.15 and 2,081.88 is: 3,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.35 : 8,670.15 = 2,081.88 : x
  2. Step 2: Convert to fraction form
    5,779.35/8,670.15 = 2,081.88/x
  3. Step 3: Cross multiply
    5,779.35x = 8,670.15 × 2,081.88
  4. Step 4: Simplify right side
    5,779.35x = 18,050,211.88
  5. Step 5: Solve for x
    x = 18,050,211.88/5,779.35
  6. Step 6: Final answer
    x = 3,123.23

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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.