Home / 6,832.18-9,428.75-4,178.75

Finding the Fourth Proportional to 6,832.18, 9,428.75 and 4,178.75

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Solution

The fourth proportional to 6,832.18, 9,428.75 and 4,178.75 is: 5,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,832.18 : 9,428.75 = 4,178.75 : x
  2. Step 2: Convert to fraction form
    6,832.18/9,428.75 = 4,178.75/x
  3. Step 3: Cross multiply
    6,832.18x = 9,428.75 × 4,178.75
  4. Step 4: Simplify right side
    6,832.18x = 39,400,389.06
  5. Step 5: Solve for x
    x = 39,400,389.06/6,832.18
  6. Step 6: Final answer
    x = 5,766.88

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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.