Home / 8,922.35-12,309.30-5,735.18

Finding the Fourth Proportional to 8,922.35, 12,309.30 and 5,735.18

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Solution

The fourth proportional to 8,922.35, 12,309.30 and 5,735.18 is: 7,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.35 : 12,309.30 = 5,735.18 : x
  2. Step 2: Convert to fraction form
    8,922.35/12,309.30 = 5,735.18/x
  3. Step 3: Cross multiply
    8,922.35x = 12,309.30 × 5,735.18
  4. Step 4: Simplify right side
    8,922.35x = 70,595,989.63
  5. Step 5: Solve for x
    x = 70,595,989.63/8,922.35
  6. Step 6: Final answer
    x = 7,912.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.