Home / 6,077.20-9,111.13-2,787.92

Finding the Fourth Proportional to 6,077.20, 9,111.13 and 2,787.92

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Solution

The fourth proportional to 6,077.20, 9,111.13 and 2,787.92 is: 4,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.20 : 9,111.13 = 2,787.92 : x
  2. Step 2: Convert to fraction form
    6,077.20/9,111.13 = 2,787.92/x
  3. Step 3: Cross multiply
    6,077.20x = 9,111.13 × 2,787.92
  4. Step 4: Simplify right side
    6,077.20x = 25,401,101.55
  5. Step 5: Solve for x
    x = 25,401,101.55/6,077.20
  6. Step 6: Final answer
    x = 4,179.74

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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.