Home / 4,178.83-5,766.79-2,315.83

Finding the Fourth Proportional to 4,178.83, 5,766.79 and 2,315.83

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Solution

The fourth proportional to 4,178.83, 5,766.79 and 2,315.83 is: 3,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.83 : 5,766.79 = 2,315.83 : x
  2. Step 2: Convert to fraction form
    4,178.83/5,766.79 = 2,315.83/x
  3. Step 3: Cross multiply
    4,178.83x = 5,766.79 × 2,315.83
  4. Step 4: Simplify right side
    4,178.83x = 13,354,905.29
  5. Step 5: Solve for x
    x = 13,354,905.29/4,178.83
  6. Step 6: Final answer
    x = 3,195.85

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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.