Home / 8,920.26-12,311.37-6,792.36

Finding the Fourth Proportional to 8,920.26, 12,311.37 and 6,792.36

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Solution

The fourth proportional to 8,920.26, 12,311.37 and 6,792.36 is: 9,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.26 : 12,311.37 = 6,792.36 : x
  2. Step 2: Convert to fraction form
    8,920.26/12,311.37 = 6,792.36/x
  3. Step 3: Cross multiply
    8,920.26x = 12,311.37 × 6,792.36
  4. Step 4: Simplify right side
    8,920.26x = 83,623,257.13
  5. Step 5: Solve for x
    x = 83,623,257.13/8,920.26
  6. Step 6: Final answer
    x = 9,374.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.