Home / 5,779.85-8,664.47-2,081.18

Finding the Fourth Proportional to 5,779.85, 8,664.47 and 2,081.18

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Solution

The fourth proportional to 5,779.85, 8,664.47 and 2,081.18 is: 3,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.85 : 8,664.47 = 2,081.18 : x
  2. Step 2: Convert to fraction form
    5,779.85/8,664.47 = 2,081.18/x
  3. Step 3: Cross multiply
    5,779.85x = 8,664.47 × 2,081.18
  4. Step 4: Simplify right side
    5,779.85x = 18,032,328.55
  5. Step 5: Solve for x
    x = 18,032,328.55/5,779.85
  6. Step 6: Final answer
    x = 3,119.86

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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.