Home / 4,247.12-5,860.41-2,478.39

Finding the Fourth Proportional to 4,247.12, 5,860.41 and 2,478.39

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Solution

The fourth proportional to 4,247.12, 5,860.41 and 2,478.39 is: 3,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.12 : 5,860.41 = 2,478.39 : x
  2. Step 2: Convert to fraction form
    4,247.12/5,860.41 = 2,478.39/x
  3. Step 3: Cross multiply
    4,247.12x = 5,860.41 × 2,478.39
  4. Step 4: Simplify right side
    4,247.12x = 14,524,381.54
  5. Step 5: Solve for x
    x = 14,524,381.54/4,247.12
  6. Step 6: Final answer
    x = 3,419.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.