Home / 9,215.00-12,716.29-5,236.48

Finding the Fourth Proportional to 9,215.00, 12,716.29 and 5,236.48

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Solution

The fourth proportional to 9,215.00, 12,716.29 and 5,236.48 is: 7,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.00 : 12,716.29 = 5,236.48 : x
  2. Step 2: Convert to fraction form
    9,215.00/12,716.29 = 5,236.48/x
  3. Step 3: Cross multiply
    9,215.00x = 12,716.29 × 5,236.48
  4. Step 4: Simplify right side
    9,215.00x = 66,588,620.70
  5. Step 5: Solve for x
    x = 66,588,620.70/9,215.00
  6. Step 6: Final answer
    x = 7,226.11

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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.