Home / 8,460.12-12,691.40-2,617.19

Finding the Fourth Proportional to 8,460.12, 12,691.40 and 2,617.19

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Solution

The fourth proportional to 8,460.12, 12,691.40 and 2,617.19 is: 3,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.12 : 12,691.40 = 2,617.19 : x
  2. Step 2: Convert to fraction form
    8,460.12/12,691.40 = 2,617.19/x
  3. Step 3: Cross multiply
    8,460.12x = 12,691.40 × 2,617.19
  4. Step 4: Simplify right side
    8,460.12x = 33,215,773.44
  5. Step 5: Solve for x
    x = 33,215,773.44/8,460.12
  6. Step 6: Final answer
    x = 3,926.16

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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.