Home / 8,707.91-13,052.93-3,440.79

Finding the Fourth Proportional to 8,707.91, 13,052.93 and 3,440.79

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Solution

The fourth proportional to 8,707.91, 13,052.93 and 3,440.79 is: 5,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.91 : 13,052.93 = 3,440.79 : x
  2. Step 2: Convert to fraction form
    8,707.91/13,052.93 = 3,440.79/x
  3. Step 3: Cross multiply
    8,707.91x = 13,052.93 × 3,440.79
  4. Step 4: Simplify right side
    8,707.91x = 44,912,399.62
  5. Step 5: Solve for x
    x = 44,912,399.62/8,707.91
  6. Step 6: Final answer
    x = 5,157.65

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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.