Home / 6,181.31-8,531.60-4,391.39

Finding the Fourth Proportional to 6,181.31, 8,531.60 and 4,391.39

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Solution

The fourth proportional to 6,181.31, 8,531.60 and 4,391.39 is: 6,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.31 : 8,531.60 = 4,391.39 : x
  2. Step 2: Convert to fraction form
    6,181.31/8,531.60 = 4,391.39/x
  3. Step 3: Cross multiply
    6,181.31x = 8,531.60 × 4,391.39
  4. Step 4: Simplify right side
    6,181.31x = 37,465,595.35
  5. Step 5: Solve for x
    x = 37,465,595.35/6,181.31
  6. Step 6: Final answer
    x = 6,061.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.