Home / 6,715.18-10,072.71-1,785.16

Finding the Fourth Proportional to 6,715.18, 10,072.71 and 1,785.16

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Solution

The fourth proportional to 6,715.18, 10,072.71 and 1,785.16 is: 2,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.18 : 10,072.71 = 1,785.16 : x
  2. Step 2: Convert to fraction form
    6,715.18/10,072.71 = 1,785.16/x
  3. Step 3: Cross multiply
    6,715.18x = 10,072.71 × 1,785.16
  4. Step 4: Simplify right side
    6,715.18x = 17,981,398.98
  5. Step 5: Solve for x
    x = 17,981,398.98/6,715.18
  6. Step 6: Final answer
    x = 2,677.73

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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.