Home / 4,265.46-6,398.20-1,343.80

Finding the Fourth Proportional to 4,265.46, 6,398.20 and 1,343.80

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Solution

The fourth proportional to 4,265.46, 6,398.20 and 1,343.80 is: 2,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.46 : 6,398.20 = 1,343.80 : x
  2. Step 2: Convert to fraction form
    4,265.46/6,398.20 = 1,343.80/x
  3. Step 3: Cross multiply
    4,265.46x = 6,398.20 × 1,343.80
  4. Step 4: Simplify right side
    4,265.46x = 8,597,901.16
  5. Step 5: Solve for x
    x = 8,597,901.16/4,265.46
  6. Step 6: Final answer
    x = 2,015.70

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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.