Home / 7,119.97-9,823.90-4,134.01

Finding the Fourth Proportional to 7,119.97, 9,823.90 and 4,134.01

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Solution

The fourth proportional to 7,119.97, 9,823.90 and 4,134.01 is: 5,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.97 : 9,823.90 = 4,134.01 : x
  2. Step 2: Convert to fraction form
    7,119.97/9,823.90 = 4,134.01/x
  3. Step 3: Cross multiply
    7,119.97x = 9,823.90 × 4,134.01
  4. Step 4: Simplify right side
    7,119.97x = 40,612,100.84
  5. Step 5: Solve for x
    x = 40,612,100.84/7,119.97
  6. Step 6: Final answer
    x = 5,703.97

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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.