Home / 8,960.45-13,440.57-5,451.42

Finding the Fourth Proportional to 8,960.45, 13,440.57 and 5,451.42

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Solution

The fourth proportional to 8,960.45, 13,440.57 and 5,451.42 is: 8,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.45 : 13,440.57 = 5,451.42 : x
  2. Step 2: Convert to fraction form
    8,960.45/13,440.57 = 5,451.42/x
  3. Step 3: Cross multiply
    8,960.45x = 13,440.57 × 5,451.42
  4. Step 4: Simplify right side
    8,960.45x = 73,270,192.11
  5. Step 5: Solve for x
    x = 73,270,192.11/8,960.45
  6. Step 6: Final answer
    x = 8,177.07

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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.