Home / 8,991.28-13,487.05-3,444.91

Finding the Fourth Proportional to 8,991.28, 13,487.05 and 3,444.91

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Solution

The fourth proportional to 8,991.28, 13,487.05 and 3,444.91 is: 5,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.28 : 13,487.05 = 3,444.91 : x
  2. Step 2: Convert to fraction form
    8,991.28/13,487.05 = 3,444.91/x
  3. Step 3: Cross multiply
    8,991.28x = 13,487.05 × 3,444.91
  4. Step 4: Simplify right side
    8,991.28x = 46,461,673.42
  5. Step 5: Solve for x
    x = 46,461,673.42/8,991.28
  6. Step 6: Final answer
    x = 5,167.41

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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.