Home / 8,960.11-13,438.36-5,626.87

Finding the Fourth Proportional to 8,960.11, 13,438.36 and 5,626.87

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Solution

The fourth proportional to 8,960.11, 13,438.36 and 5,626.87 is: 8,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.11 : 13,438.36 = 5,626.87 : x
  2. Step 2: Convert to fraction form
    8,960.11/13,438.36 = 5,626.87/x
  3. Step 3: Cross multiply
    8,960.11x = 13,438.36 × 5,626.87
  4. Step 4: Simplify right side
    8,960.11x = 75,615,904.73
  5. Step 5: Solve for x
    x = 75,615,904.73/8,960.11
  6. Step 6: Final answer
    x = 8,439.17

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1.5x scale

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.