Home / 6,817.40-10,226.10-4,959.80

Finding the Fourth Proportional to 6,817.40, 10,226.10 and 4,959.80

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Solution

The fourth proportional to 6,817.40, 10,226.10 and 4,959.80 is: 7,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.40 : 10,226.10 = 4,959.80 : x
  2. Step 2: Convert to fraction form
    6,817.40/10,226.10 = 4,959.80/x
  3. Step 3: Cross multiply
    6,817.40x = 10,226.10 × 4,959.80
  4. Step 4: Simplify right side
    6,817.40x = 50,719,410.78
  5. Step 5: Solve for x
    x = 50,719,410.78/6,817.40
  6. Step 6: Final answer
    x = 7,439.70

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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.