Home / 8,920.35-13,372.99-5,626.19

Finding the Fourth Proportional to 8,920.35, 13,372.99 and 5,626.19

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Solution

The fourth proportional to 8,920.35, 13,372.99 and 5,626.19 is: 8,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.35 : 13,372.99 = 5,626.19 : x
  2. Step 2: Convert to fraction form
    8,920.35/13,372.99 = 5,626.19/x
  3. Step 3: Cross multiply
    8,920.35x = 13,372.99 × 5,626.19
  4. Step 4: Simplify right side
    8,920.35x = 75,239,001.98
  5. Step 5: Solve for x
    x = 75,239,001.98/8,920.35
  6. Step 6: Final answer
    x = 8,434.53

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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.