Home / 8,281.02-12,421.21-2,734.20

Finding the Fourth Proportional to 8,281.02, 12,421.21 and 2,734.20

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Solution

The fourth proportional to 8,281.02, 12,421.21 and 2,734.20 is: 4,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.02 : 12,421.21 = 2,734.20 : x
  2. Step 2: Convert to fraction form
    8,281.02/12,421.21 = 2,734.20/x
  3. Step 3: Cross multiply
    8,281.02x = 12,421.21 × 2,734.20
  4. Step 4: Simplify right side
    8,281.02x = 33,962,072.38
  5. Step 5: Solve for x
    x = 33,962,072.38/8,281.02
  6. Step 6: Final answer
    x = 4,101.19

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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.