Home / 4,122.90-6,184.35-1,350

Finding the Fourth Proportional to 4,122.90, 6,184.35 and 1,350

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Solution

The fourth proportional to 4,122.90, 6,184.35 and 1,350 is: 2,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.90 : 6,184.35 = 1,350 : x
  2. Step 2: Convert to fraction form
    4,122.90/6,184.35 = 1,350/x
  3. Step 3: Cross multiply
    4,122.90x = 6,184.35 × 1,350
  4. Step 4: Simplify right side
    4,122.90x = 8,348,872.50
  5. Step 5: Solve for x
    x = 8,348,872.50/4,122.90
  6. Step 6: Final answer
    x = 2,025.00

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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.