Home / 8,774.07-13,167.46-3,438.05

Finding the Fourth Proportional to 8,774.07, 13,167.46 and 3,438.05

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Solution

The fourth proportional to 8,774.07, 13,167.46 and 3,438.05 is: 5,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.07 : 13,167.46 = 3,438.05 : x
  2. Step 2: Convert to fraction form
    8,774.07/13,167.46 = 3,438.05/x
  3. Step 3: Cross multiply
    8,774.07x = 13,167.46 × 3,438.05
  4. Step 4: Simplify right side
    8,774.07x = 45,270,344.34
  5. Step 5: Solve for x
    x = 45,270,344.34/8,774.07
  6. Step 6: Final answer
    x = 5,159.56

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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.