Home / 4,251.16-6,378.42-1,910.53

Finding the Fourth Proportional to 4,251.16, 6,378.42 and 1,910.53

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Solution

The fourth proportional to 4,251.16, 6,378.42 and 1,910.53 is: 2,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.16 : 6,378.42 = 1,910.53 : x
  2. Step 2: Convert to fraction form
    4,251.16/6,378.42 = 1,910.53/x
  3. Step 3: Cross multiply
    4,251.16x = 6,378.42 × 1,910.53
  4. Step 4: Simplify right side
    4,251.16x = 12,186,162.76
  5. Step 5: Solve for x
    x = 12,186,162.76/4,251.16
  6. Step 6: Final answer
    x = 2,866.55

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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.