Home / 6,171.30-9,254.12-1,787.72

Finding the Fourth Proportional to 6,171.30, 9,254.12 and 1,787.72

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Solution

The fourth proportional to 6,171.30, 9,254.12 and 1,787.72 is: 2,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.30 : 9,254.12 = 1,787.72 : x
  2. Step 2: Convert to fraction form
    6,171.30/9,254.12 = 1,787.72/x
  3. Step 3: Cross multiply
    6,171.30x = 9,254.12 × 1,787.72
  4. Step 4: Simplify right side
    6,171.30x = 16,543,720.20
  5. Step 5: Solve for x
    x = 16,543,720.20/6,171.30
  6. Step 6: Final answer
    x = 2,680.75

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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.