Home / 6,715.28-10,061.78-4,112.75

Finding the Fourth Proportional to 6,715.28, 10,061.78 and 4,112.75

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Solution

The fourth proportional to 6,715.28, 10,061.78 and 4,112.75 is: 6,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.28 : 10,061.78 = 4,112.75 : x
  2. Step 2: Convert to fraction form
    6,715.28/10,061.78 = 4,112.75/x
  3. Step 3: Cross multiply
    6,715.28x = 10,061.78 × 4,112.75
  4. Step 4: Simplify right side
    6,715.28x = 41,381,585.70
  5. Step 5: Solve for x
    x = 41,381,585.70/6,715.28
  6. Step 6: Final answer
    x = 6,162.30

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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.