Home / 5,244.24-7,861.32-1,779

Finding the Fourth Proportional to 5,244.24, 7,861.32 and 1,779

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Solution

The fourth proportional to 5,244.24, 7,861.32 and 1,779 is: 2,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.24 : 7,861.32 = 1,779 : x
  2. Step 2: Convert to fraction form
    5,244.24/7,861.32 = 1,779/x
  3. Step 3: Cross multiply
    5,244.24x = 7,861.32 × 1,779
  4. Step 4: Simplify right side
    5,244.24x = 13,985,288.28
  5. Step 5: Solve for x
    x = 13,985,288.28/5,244.24
  6. Step 6: Final answer
    x = 2,666.79

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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.