Home / 8,616.12-12,928.92-4,233.60

Finding the Fourth Proportional to 8,616.12, 12,928.92 and 4,233.60

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Solution

The fourth proportional to 8,616.12, 12,928.92 and 4,233.60 is: 6,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.12 : 12,928.92 = 4,233.60 : x
  2. Step 2: Convert to fraction form
    8,616.12/12,928.92 = 4,233.60/x
  3. Step 3: Cross multiply
    8,616.12x = 12,928.92 × 4,233.60
  4. Step 4: Simplify right side
    8,616.12x = 54,735,875.71
  5. Step 5: Solve for x
    x = 54,735,875.71/8,616.12
  6. Step 6: Final answer
    x = 6,352.73

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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.