Home / 8,960.27-13,419.91-4,283.57

Finding the Fourth Proportional to 8,960.27, 13,419.91 and 4,283.57

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Solution

The fourth proportional to 8,960.27, 13,419.91 and 4,283.57 is: 6,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.27 : 13,419.91 = 4,283.57 : x
  2. Step 2: Convert to fraction form
    8,960.27/13,419.91 = 4,283.57/x
  3. Step 3: Cross multiply
    8,960.27x = 13,419.91 × 4,283.57
  4. Step 4: Simplify right side
    8,960.27x = 57,485,123.88
  5. Step 5: Solve for x
    x = 57,485,123.88/8,960.27
  6. Step 6: Final answer
    x = 6,415.56

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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.