Home / 8,991.41-13,487.23-3,445.03

Finding the Fourth Proportional to 8,991.41, 13,487.23 and 3,445.03

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Solution

The fourth proportional to 8,991.41, 13,487.23 and 3,445.03 is: 5,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.41 : 13,487.23 = 3,445.03 : x
  2. Step 2: Convert to fraction form
    8,991.41/13,487.23 = 3,445.03/x
  3. Step 3: Cross multiply
    8,991.41x = 13,487.23 × 3,445.03
  4. Step 4: Simplify right side
    8,991.41x = 46,463,920.58
  5. Step 5: Solve for x
    x = 46,463,920.58/8,991.41
  6. Step 6: Final answer
    x = 5,167.59

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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.