Home / 8,228.30-11,353.80-5,246.68

Finding the Fourth Proportional to 8,228.30, 11,353.80 and 5,246.68

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Solution

The fourth proportional to 8,228.30, 11,353.80 and 5,246.68 is: 7,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.30 : 11,353.80 = 5,246.68 : x
  2. Step 2: Convert to fraction form
    8,228.30/11,353.80 = 5,246.68/x
  3. Step 3: Cross multiply
    8,228.30x = 11,353.80 × 5,246.68
  4. Step 4: Simplify right side
    8,228.30x = 59,569,755.38
  5. Step 5: Solve for x
    x = 59,569,755.38/8,228.30
  6. Step 6: Final answer
    x = 7,239.62

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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.