Home / 6,181.72-8,531.02-3,387.32

Finding the Fourth Proportional to 6,181.72, 8,531.02 and 3,387.32

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Solution

The fourth proportional to 6,181.72, 8,531.02 and 3,387.32 is: 4,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.72 : 8,531.02 = 3,387.32 : x
  2. Step 2: Convert to fraction form
    6,181.72/8,531.02 = 3,387.32/x
  3. Step 3: Cross multiply
    6,181.72x = 8,531.02 × 3,387.32
  4. Step 4: Simplify right side
    6,181.72x = 28,897,294.67
  5. Step 5: Solve for x
    x = 28,897,294.67/6,181.72
  6. Step 6: Final answer
    x = 4,674.64

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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.