Home / 8,931.15-13,391.73-3,669.84

Finding the Fourth Proportional to 8,931.15, 13,391.73 and 3,669.84

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Solution

The fourth proportional to 8,931.15, 13,391.73 and 3,669.84 is: 5,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.15 : 13,391.73 = 3,669.84 : x
  2. Step 2: Convert to fraction form
    8,931.15/13,391.73 = 3,669.84/x
  3. Step 3: Cross multiply
    8,931.15x = 13,391.73 × 3,669.84
  4. Step 4: Simplify right side
    8,931.15x = 49,145,506.42
  5. Step 5: Solve for x
    x = 49,145,506.42/8,931.15
  6. Step 6: Final answer
    x = 5,502.71

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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.