Home / 8,945.28-13,417.74-3,751.20

Finding the Fourth Proportional to 8,945.28, 13,417.74 and 3,751.20

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Solution

The fourth proportional to 8,945.28, 13,417.74 and 3,751.20 is: 5,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.28 : 13,417.74 = 3,751.20 : x
  2. Step 2: Convert to fraction form
    8,945.28/13,417.74 = 3,751.20/x
  3. Step 3: Cross multiply
    8,945.28x = 13,417.74 × 3,751.20
  4. Step 4: Simplify right side
    8,945.28x = 50,332,626.29
  5. Step 5: Solve for x
    x = 50,332,626.29/8,945.28
  6. Step 6: Final answer
    x = 5,626.72

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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.