Home / 5,779.85-8,666.30-2,812.44

Finding the Fourth Proportional to 5,779.85, 8,666.30 and 2,812.44

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Solution

The fourth proportional to 5,779.85, 8,666.30 and 2,812.44 is: 4,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.85 : 8,666.30 = 2,812.44 : x
  2. Step 2: Convert to fraction form
    5,779.85/8,666.30 = 2,812.44/x
  3. Step 3: Cross multiply
    5,779.85x = 8,666.30 × 2,812.44
  4. Step 4: Simplify right side
    5,779.85x = 24,373,391.38
  5. Step 5: Solve for x
    x = 24,373,391.38/5,779.85
  6. Step 6: Final answer
    x = 4,216.96

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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.