Home / 8,922.19-13,383.25-5,247.81

Finding the Fourth Proportional to 8,922.19, 13,383.25 and 5,247.81

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Solution

The fourth proportional to 8,922.19, 13,383.25 and 5,247.81 is: 7,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.19 : 13,383.25 = 5,247.81 : x
  2. Step 2: Convert to fraction form
    8,922.19/13,383.25 = 5,247.81/x
  3. Step 3: Cross multiply
    8,922.19x = 13,383.25 × 5,247.81
  4. Step 4: Simplify right side
    8,922.19x = 70,232,753.18
  5. Step 5: Solve for x
    x = 70,232,753.18/8,922.19
  6. Step 6: Final answer
    x = 7,871.69

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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.