Home / 7,153.19-9,872.01-4,009.98

Finding the Fourth Proportional to 7,153.19, 9,872.01 and 4,009.98

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Solution

The fourth proportional to 7,153.19, 9,872.01 and 4,009.98 is: 5,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.19 : 9,872.01 = 4,009.98 : x
  2. Step 2: Convert to fraction form
    7,153.19/9,872.01 = 4,009.98/x
  3. Step 3: Cross multiply
    7,153.19x = 9,872.01 × 4,009.98
  4. Step 4: Simplify right side
    7,153.19x = 39,586,562.66
  5. Step 5: Solve for x
    x = 39,586,562.66/7,153.19
  6. Step 6: Final answer
    x = 5,534.11

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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.