Home / 8,906.57-13,364.45-3,912.45

Finding the Fourth Proportional to 8,906.57, 13,364.45 and 3,912.45

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Solution

The fourth proportional to 8,906.57, 13,364.45 and 3,912.45 is: 5,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.57 : 13,364.45 = 3,912.45 : x
  2. Step 2: Convert to fraction form
    8,906.57/13,364.45 = 3,912.45/x
  3. Step 3: Cross multiply
    8,906.57x = 13,364.45 × 3,912.45
  4. Step 4: Simplify right side
    8,906.57x = 52,287,742.40
  5. Step 5: Solve for x
    x = 52,287,742.40/8,906.57
  6. Step 6: Final answer
    x = 5,870.69

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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.