Home / 8,181.74-12,273.02-2,339.21

Finding the Fourth Proportional to 8,181.74, 12,273.02 and 2,339.21

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Solution

The fourth proportional to 8,181.74, 12,273.02 and 2,339.21 is: 3,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.74 : 12,273.02 = 2,339.21 : x
  2. Step 2: Convert to fraction form
    8,181.74/12,273.02 = 2,339.21/x
  3. Step 3: Cross multiply
    8,181.74x = 12,273.02 × 2,339.21
  4. Step 4: Simplify right side
    8,181.74x = 28,709,159.42
  5. Step 5: Solve for x
    x = 28,709,159.42/8,181.74
  6. Step 6: Final answer
    x = 3,508.93

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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.