Home / 8,872.36-13,306.79-2,948.31

Finding the Fourth Proportional to 8,872.36, 13,306.79 and 2,948.31

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Solution

The fourth proportional to 8,872.36, 13,306.79 and 2,948.31 is: 4,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.36 : 13,306.79 = 2,948.31 : x
  2. Step 2: Convert to fraction form
    8,872.36/13,306.79 = 2,948.31/x
  3. Step 3: Cross multiply
    8,872.36x = 13,306.79 × 2,948.31
  4. Step 4: Simplify right side
    8,872.36x = 39,232,549.40
  5. Step 5: Solve for x
    x = 39,232,549.40/8,872.36
  6. Step 6: Final answer
    x = 4,421.89

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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.