Home / 8,367.12-11,554.43-5,388.14

Finding the Fourth Proportional to 8,367.12, 11,554.43 and 5,388.14

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Solution

The fourth proportional to 8,367.12, 11,554.43 and 5,388.14 is: 7,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.12 : 11,554.43 = 5,388.14 : x
  2. Step 2: Convert to fraction form
    8,367.12/11,554.43 = 5,388.14/x
  3. Step 3: Cross multiply
    8,367.12x = 11,554.43 × 5,388.14
  4. Step 4: Simplify right side
    8,367.12x = 62,256,801.75
  5. Step 5: Solve for x
    x = 62,256,801.75/8,367.12
  6. Step 6: Final answer
    x = 7,440.65

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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.