Home / 8,200.89-11,322.67-6,309.13

Finding the Fourth Proportional to 8,200.89, 11,322.67 and 6,309.13

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Solution

The fourth proportional to 8,200.89, 11,322.67 and 6,309.13 is: 8,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.89 : 11,322.67 = 6,309.13 : x
  2. Step 2: Convert to fraction form
    8,200.89/11,322.67 = 6,309.13/x
  3. Step 3: Cross multiply
    8,200.89x = 11,322.67 × 6,309.13
  4. Step 4: Simplify right side
    8,200.89x = 71,436,219.02
  5. Step 5: Solve for x
    x = 71,436,219.02/8,200.89
  6. Step 6: Final answer
    x = 8,710.79

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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.