Home / 5,236.16-7,854.30-1,340.55

Finding the Fourth Proportional to 5,236.16, 7,854.30 and 1,340.55

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Solution

The fourth proportional to 5,236.16, 7,854.30 and 1,340.55 is: 2,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.16 : 7,854.30 = 1,340.55 : x
  2. Step 2: Convert to fraction form
    5,236.16/7,854.30 = 1,340.55/x
  3. Step 3: Cross multiply
    5,236.16x = 7,854.30 × 1,340.55
  4. Step 4: Simplify right side
    5,236.16x = 10,529,081.87
  5. Step 5: Solve for x
    x = 10,529,081.87/5,236.16
  6. Step 6: Final answer
    x = 2,010.84

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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.