Home / 9,238.30-12,748.65-5,205.33

Finding the Fourth Proportional to 9,238.30, 12,748.65 and 5,205.33

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Solution

The fourth proportional to 9,238.30, 12,748.65 and 5,205.33 is: 7,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.30 : 12,748.65 = 5,205.33 : x
  2. Step 2: Convert to fraction form
    9,238.30/12,748.65 = 5,205.33/x
  3. Step 3: Cross multiply
    9,238.30x = 12,748.65 × 5,205.33
  4. Step 4: Simplify right side
    9,238.30x = 66,360,930.30
  5. Step 5: Solve for x
    x = 66,360,930.30/9,238.30
  6. Step 6: Final answer
    x = 7,183.24

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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.