Home / 4,178.68-5,766.06-2,315.32

Finding the Fourth Proportional to 4,178.68, 5,766.06 and 2,315.32

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Solution

The fourth proportional to 4,178.68, 5,766.06 and 2,315.32 is: 3,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.68 : 5,766.06 = 2,315.32 : x
  2. Step 2: Convert to fraction form
    4,178.68/5,766.06 = 2,315.32/x
  3. Step 3: Cross multiply
    4,178.68x = 5,766.06 × 2,315.32
  4. Step 4: Simplify right side
    4,178.68x = 13,350,274.04
  5. Step 5: Solve for x
    x = 13,350,274.04/4,178.68
  6. Step 6: Final answer
    x = 3,194.85

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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.