Home / 5,877.85-8,818.29-2,181.13

Finding the Fourth Proportional to 5,877.85, 8,818.29 and 2,181.13

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Solution

The fourth proportional to 5,877.85, 8,818.29 and 2,181.13 is: 3,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.85 : 8,818.29 = 2,181.13 : x
  2. Step 2: Convert to fraction form
    5,877.85/8,818.29 = 2,181.13/x
  3. Step 3: Cross multiply
    5,877.85x = 8,818.29 × 2,181.13
  4. Step 4: Simplify right side
    5,877.85x = 19,233,847.89
  5. Step 5: Solve for x
    x = 19,233,847.89/5,877.85
  6. Step 6: Final answer
    x = 3,272.26

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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.