Home / 5,779.70-8,670.30-1,882.78

Finding the Fourth Proportional to 5,779.70, 8,670.30 and 1,882.78

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Solution

The fourth proportional to 5,779.70, 8,670.30 and 1,882.78 is: 2,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.70 : 8,670.30 = 1,882.78 : x
  2. Step 2: Convert to fraction form
    5,779.70/8,670.30 = 1,882.78/x
  3. Step 3: Cross multiply
    5,779.70x = 8,670.30 × 1,882.78
  4. Step 4: Simplify right side
    5,779.70x = 16,324,267.43
  5. Step 5: Solve for x
    x = 16,324,267.43/5,779.70
  6. Step 6: Final answer
    x = 2,824.41

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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.