Home / 6,541.20-9,811.80-2,648.34

Finding the Fourth Proportional to 6,541.20, 9,811.80 and 2,648.34

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Solution

The fourth proportional to 6,541.20, 9,811.80 and 2,648.34 is: 3,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.20 : 9,811.80 = 2,648.34 : x
  2. Step 2: Convert to fraction form
    6,541.20/9,811.80 = 2,648.34/x
  3. Step 3: Cross multiply
    6,541.20x = 9,811.80 × 2,648.34
  4. Step 4: Simplify right side
    6,541.20x = 25,984,982.41
  5. Step 5: Solve for x
    x = 25,984,982.41/6,541.20
  6. Step 6: Final answer
    x = 3,972.51

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Double scale
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Similar ratio
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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.