Home / 6,541.30-9,787.65-3,910.15

Finding the Fourth Proportional to 6,541.30, 9,787.65 and 3,910.15

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Solution

The fourth proportional to 6,541.30, 9,787.65 and 3,910.15 is: 5,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.30 : 9,787.65 = 3,910.15 : x
  2. Step 2: Convert to fraction form
    6,541.30/9,787.65 = 3,910.15/x
  3. Step 3: Cross multiply
    6,541.30x = 9,787.65 × 3,910.15
  4. Step 4: Simplify right side
    6,541.30x = 38,271,179.65
  5. Step 5: Solve for x
    x = 38,271,179.65/6,541.30
  6. Step 6: Final answer
    x = 5,850.70

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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.