Home / 8,228.02-12,342.30-2,961.40

Finding the Fourth Proportional to 8,228.02, 12,342.30 and 2,961.40

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Solution

The fourth proportional to 8,228.02, 12,342.30 and 2,961.40 is: 4,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.02 : 12,342.30 = 2,961.40 : x
  2. Step 2: Convert to fraction form
    8,228.02/12,342.30 = 2,961.40/x
  3. Step 3: Cross multiply
    8,228.02x = 12,342.30 × 2,961.40
  4. Step 4: Simplify right side
    8,228.02x = 36,550,487.22
  5. Step 5: Solve for x
    x = 36,550,487.22/8,228.02
  6. Step 6: Final answer
    x = 4,442.20

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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.