Home / 5,169.73-7,134.07-2,931.81

Finding the Fourth Proportional to 5,169.73, 7,134.07 and 2,931.81

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Solution

The fourth proportional to 5,169.73, 7,134.07 and 2,931.81 is: 4,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.73 : 7,134.07 = 2,931.81 : x
  2. Step 2: Convert to fraction form
    5,169.73/7,134.07 = 2,931.81/x
  3. Step 3: Cross multiply
    5,169.73x = 7,134.07 × 2,931.81
  4. Step 4: Simplify right side
    5,169.73x = 20,915,737.77
  5. Step 5: Solve for x
    x = 20,915,737.77/5,169.73
  6. Step 6: Final answer
    x = 4,045.81

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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.