Home / 8,991.44-13,487.28-3,445.07

Finding the Fourth Proportional to 8,991.44, 13,487.28 and 3,445.07

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Solution

The fourth proportional to 8,991.44, 13,487.28 and 3,445.07 is: 5,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.44 : 13,487.28 = 3,445.07 : x
  2. Step 2: Convert to fraction form
    8,991.44/13,487.28 = 3,445.07/x
  3. Step 3: Cross multiply
    8,991.44x = 13,487.28 × 3,445.07
  4. Step 4: Simplify right side
    8,991.44x = 46,464,556.27
  5. Step 5: Solve for x
    x = 46,464,556.27/8,991.44
  6. Step 6: Final answer
    x = 5,167.65

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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.