Home / 7,153.82-9,872.87-4,010.61

Finding the Fourth Proportional to 7,153.82, 9,872.87 and 4,010.61

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Solution

The fourth proportional to 7,153.82, 9,872.87 and 4,010.61 is: 5,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.82 : 9,872.87 = 4,010.61 : x
  2. Step 2: Convert to fraction form
    7,153.82/9,872.87 = 4,010.61/x
  3. Step 3: Cross multiply
    7,153.82x = 9,872.87 × 4,010.61
  4. Step 4: Simplify right side
    7,153.82x = 39,596,231.15
  5. Step 5: Solve for x
    x = 39,596,231.15/7,153.82
  6. Step 6: Final answer
    x = 5,534.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.