Home / 8,947.28-13,418.88-3,401.24

Finding the Fourth Proportional to 8,947.28, 13,418.88 and 3,401.24

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Solution

The fourth proportional to 8,947.28, 13,418.88 and 3,401.24 is: 5,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.28 : 13,418.88 = 3,401.24 : x
  2. Step 2: Convert to fraction form
    8,947.28/13,418.88 = 3,401.24/x
  3. Step 3: Cross multiply
    8,947.28x = 13,418.88 × 3,401.24
  4. Step 4: Simplify right side
    8,947.28x = 45,640,831.41
  5. Step 5: Solve for x
    x = 45,640,831.41/8,947.28
  6. Step 6: Final answer
    x = 5,101.08

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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.