Home / 8,715.09-13,072.79-3,097.24

Finding the Fourth Proportional to 8,715.09, 13,072.79 and 3,097.24

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Solution

The fourth proportional to 8,715.09, 13,072.79 and 3,097.24 is: 4,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.09 : 13,072.79 = 3,097.24 : x
  2. Step 2: Convert to fraction form
    8,715.09/13,072.79 = 3,097.24/x
  3. Step 3: Cross multiply
    8,715.09x = 13,072.79 × 3,097.24
  4. Step 4: Simplify right side
    8,715.09x = 40,489,543.16
  5. Step 5: Solve for x
    x = 40,489,543.16/8,715.09
  6. Step 6: Final answer
    x = 4,645.91

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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.