Home / 9,877.12-14,821.51-3,641.49

Finding the Fourth Proportional to 9,877.12, 14,821.51 and 3,641.49

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Solution

The fourth proportional to 9,877.12, 14,821.51 and 3,641.49 is: 5,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.12 : 14,821.51 = 3,641.49 : x
  2. Step 2: Convert to fraction form
    9,877.12/14,821.51 = 3,641.49/x
  3. Step 3: Cross multiply
    9,877.12x = 14,821.51 × 3,641.49
  4. Step 4: Simplify right side
    9,877.12x = 53,972,306.34
  5. Step 5: Solve for x
    x = 53,972,306.34/9,877.12
  6. Step 6: Final answer
    x = 5,464.38

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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.