Home / 6,454.06-9,680.10-2,507.20

Finding the Fourth Proportional to 6,454.06, 9,680.10 and 2,507.20

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Solution

The fourth proportional to 6,454.06, 9,680.10 and 2,507.20 is: 3,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.06 : 9,680.10 = 2,507.20 : x
  2. Step 2: Convert to fraction form
    6,454.06/9,680.10 = 2,507.20/x
  3. Step 3: Cross multiply
    6,454.06x = 9,680.10 × 2,507.20
  4. Step 4: Simplify right side
    6,454.06x = 24,269,946.72
  5. Step 5: Solve for x
    x = 24,269,946.72/6,454.06
  6. Step 6: Final answer
    x = 3,760.42

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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.