Home / 5,236.88-7,854.18-1,860.13

Finding the Fourth Proportional to 5,236.88, 7,854.18 and 1,860.13

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Solution

The fourth proportional to 5,236.88, 7,854.18 and 1,860.13 is: 2,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.88 : 7,854.18 = 1,860.13 : x
  2. Step 2: Convert to fraction form
    5,236.88/7,854.18 = 1,860.13/x
  3. Step 3: Cross multiply
    5,236.88x = 7,854.18 × 1,860.13
  4. Step 4: Simplify right side
    5,236.88x = 14,609,756.57
  5. Step 5: Solve for x
    x = 14,609,756.57/5,236.88
  6. Step 6: Final answer
    x = 2,789.78

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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.