Home / 6,787.70-10,181.45-3,498.90

Finding the Fourth Proportional to 6,787.70, 10,181.45 and 3,498.90

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Solution

The fourth proportional to 6,787.70, 10,181.45 and 3,498.90 is: 5,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.70 : 10,181.45 = 3,498.90 : x
  2. Step 2: Convert to fraction form
    6,787.70/10,181.45 = 3,498.90/x
  3. Step 3: Cross multiply
    6,787.70x = 10,181.45 × 3,498.90
  4. Step 4: Simplify right side
    6,787.70x = 35,623,884.15
  5. Step 5: Solve for x
    x = 35,623,884.15/6,787.70
  6. Step 6: Final answer
    x = 5,248.30

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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.