Home / 8,912.03-13,359.22-4,223.75

Finding the Fourth Proportional to 8,912.03, 13,359.22 and 4,223.75

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Solution

The fourth proportional to 8,912.03, 13,359.22 and 4,223.75 is: 6,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.03 : 13,359.22 = 4,223.75 : x
  2. Step 2: Convert to fraction form
    8,912.03/13,359.22 = 4,223.75/x
  3. Step 3: Cross multiply
    8,912.03x = 13,359.22 × 4,223.75
  4. Step 4: Simplify right side
    8,912.03x = 56,426,005.48
  5. Step 5: Solve for x
    x = 56,426,005.48/8,912.03
  6. Step 6: Final answer
    x = 6,331.44

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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.