Home / 8,803.11-13,207.70-5,512.28

Finding the Fourth Proportional to 8,803.11, 13,207.70 and 5,512.28

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Solution

The fourth proportional to 8,803.11, 13,207.70 and 5,512.28 is: 8,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.11 : 13,207.70 = 5,512.28 : x
  2. Step 2: Convert to fraction form
    8,803.11/13,207.70 = 5,512.28/x
  3. Step 3: Cross multiply
    8,803.11x = 13,207.70 × 5,512.28
  4. Step 4: Simplify right side
    8,803.11x = 72,804,587.36
  5. Step 5: Solve for x
    x = 72,804,587.36/8,803.11
  6. Step 6: Final answer
    x = 8,270.33

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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.