Home / 5,236.08-7,854.18-1,340.38

Finding the Fourth Proportional to 5,236.08, 7,854.18 and 1,340.38

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Solution

The fourth proportional to 5,236.08, 7,854.18 and 1,340.38 is: 2,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.08 : 7,854.18 = 1,340.38 : x
  2. Step 2: Convert to fraction form
    5,236.08/7,854.18 = 1,340.38/x
  3. Step 3: Cross multiply
    5,236.08x = 7,854.18 × 1,340.38
  4. Step 4: Simplify right side
    5,236.08x = 10,527,585.79
  5. Step 5: Solve for x
    x = 10,527,585.79/5,236.08
  6. Step 6: Final answer
    x = 2,010.59

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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.