Home / 8,928.70-13,395.55-3,306.28

Finding the Fourth Proportional to 8,928.70, 13,395.55 and 3,306.28

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Solution

The fourth proportional to 8,928.70, 13,395.55 and 3,306.28 is: 4,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.70 : 13,395.55 = 3,306.28 : x
  2. Step 2: Convert to fraction form
    8,928.70/13,395.55 = 3,306.28/x
  3. Step 3: Cross multiply
    8,928.70x = 13,395.55 × 3,306.28
  4. Step 4: Simplify right side
    8,928.70x = 44,289,439.05
  5. Step 5: Solve for x
    x = 44,289,439.05/8,928.70
  6. Step 6: Final answer
    x = 4,960.35

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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.