Home / 9,228.78-12,736.79-5,250.53

Finding the Fourth Proportional to 9,228.78, 12,736.79 and 5,250.53

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Solution

The fourth proportional to 9,228.78, 12,736.79 and 5,250.53 is: 7,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.78 : 12,736.79 = 5,250.53 : x
  2. Step 2: Convert to fraction form
    9,228.78/12,736.79 = 5,250.53/x
  3. Step 3: Cross multiply
    9,228.78x = 12,736.79 × 5,250.53
  4. Step 4: Simplify right side
    9,228.78x = 66,874,808.06
  5. Step 5: Solve for x
    x = 66,874,808.06/9,228.78
  6. Step 6: Final answer
    x = 7,246.33

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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.