Home / 8,909.29-13,367.01-3,364.21

Finding the Fourth Proportional to 8,909.29, 13,367.01 and 3,364.21

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Solution

The fourth proportional to 8,909.29, 13,367.01 and 3,364.21 is: 5,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.29 : 13,367.01 = 3,364.21 : x
  2. Step 2: Convert to fraction form
    8,909.29/13,367.01 = 3,364.21/x
  3. Step 3: Cross multiply
    8,909.29x = 13,367.01 × 3,364.21
  4. Step 4: Simplify right side
    8,909.29x = 44,969,428.71
  5. Step 5: Solve for x
    x = 44,969,428.71/8,909.29
  6. Step 6: Final answer
    x = 5,047.48

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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.