Home / 9,124.38-13,690.68-5,228.79

Finding the Fourth Proportional to 9,124.38, 13,690.68 and 5,228.79

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Solution

The fourth proportional to 9,124.38, 13,690.68 and 5,228.79 is: 7,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.38 : 13,690.68 = 5,228.79 : x
  2. Step 2: Convert to fraction form
    9,124.38/13,690.68 = 5,228.79/x
  3. Step 3: Cross multiply
    9,124.38x = 13,690.68 × 5,228.79
  4. Step 4: Simplify right side
    9,124.38x = 71,585,690.68
  5. Step 5: Solve for x
    x = 71,585,690.68/9,124.38
  6. Step 6: Final answer
    x = 7,845.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.