Home / 8,717.04-13,072.50-2,872.08

Finding the Fourth Proportional to 8,717.04, 13,072.50 and 2,872.08

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Solution

The fourth proportional to 8,717.04, 13,072.50 and 2,872.08 is: 4,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.04 : 13,072.50 = 2,872.08 : x
  2. Step 2: Convert to fraction form
    8,717.04/13,072.50 = 2,872.08/x
  3. Step 3: Cross multiply
    8,717.04x = 13,072.50 × 2,872.08
  4. Step 4: Simplify right side
    8,717.04x = 37,545,265.80
  5. Step 5: Solve for x
    x = 37,545,265.80/8,717.04
  6. Step 6: Final answer
    x = 4,307.11

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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.