Home / 8,872.04-13,316.87-4,712.09

Finding the Fourth Proportional to 8,872.04, 13,316.87 and 4,712.09

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Solution

The fourth proportional to 8,872.04, 13,316.87 and 4,712.09 is: 7,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.04 : 13,316.87 = 4,712.09 : x
  2. Step 2: Convert to fraction form
    8,872.04/13,316.87 = 4,712.09/x
  3. Step 3: Cross multiply
    8,872.04x = 13,316.87 × 4,712.09
  4. Step 4: Simplify right side
    8,872.04x = 62,750,223.37
  5. Step 5: Solve for x
    x = 62,750,223.37/8,872.04
  6. Step 6: Final answer
    x = 7,072.81

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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.