Home / 8,200.90-12,237.36-7,317.33

Finding the Fourth Proportional to 8,200.90, 12,237.36 and 7,317.33

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Solution

The fourth proportional to 8,200.90, 12,237.36 and 7,317.33 is: 10,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.90 : 12,237.36 = 7,317.33 : x
  2. Step 2: Convert to fraction form
    8,200.90/12,237.36 = 7,317.33/x
  3. Step 3: Cross multiply
    8,200.90x = 12,237.36 × 7,317.33
  4. Step 4: Simplify right side
    8,200.90x = 89,544,769.28
  5. Step 5: Solve for x
    x = 89,544,769.28/8,200.90
  6. Step 6: Final answer
    x = 10,918.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.