Home / 8,813.28-13,202.30-5,301.35

Finding the Fourth Proportional to 8,813.28, 13,202.30 and 5,301.35

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Solution

The fourth proportional to 8,813.28, 13,202.30 and 5,301.35 is: 7,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.28 : 13,202.30 = 5,301.35 : x
  2. Step 2: Convert to fraction form
    8,813.28/13,202.30 = 5,301.35/x
  3. Step 3: Cross multiply
    8,813.28x = 13,202.30 × 5,301.35
  4. Step 4: Simplify right side
    8,813.28x = 69,990,019.60
  5. Step 5: Solve for x
    x = 69,990,019.60/8,813.28
  6. Step 6: Final answer
    x = 7,941.42

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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.