Home / 5,235.46-7,853.20-1,286.74

Finding the Fourth Proportional to 5,235.46, 7,853.20 and 1,286.74

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Solution

The fourth proportional to 5,235.46, 7,853.20 and 1,286.74 is: 1,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.46 : 7,853.20 = 1,286.74 : x
  2. Step 2: Convert to fraction form
    5,235.46/7,853.20 = 1,286.74/x
  3. Step 3: Cross multiply
    5,235.46x = 7,853.20 × 1,286.74
  4. Step 4: Simplify right side
    5,235.46x = 10,105,026.57
  5. Step 5: Solve for x
    x = 10,105,026.57/5,235.46
  6. Step 6: Final answer
    x = 1,930.11

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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.