Home / 7,569.72-11,350.67-3,406.19

Finding the Fourth Proportional to 7,569.72, 11,350.67 and 3,406.19

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Solution

The fourth proportional to 7,569.72, 11,350.67 and 3,406.19 is: 5,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.72 : 11,350.67 = 3,406.19 : x
  2. Step 2: Convert to fraction form
    7,569.72/11,350.67 = 3,406.19/x
  3. Step 3: Cross multiply
    7,569.72x = 11,350.67 × 3,406.19
  4. Step 4: Simplify right side
    7,569.72x = 38,662,481.89
  5. Step 5: Solve for x
    x = 38,662,481.89/7,569.72
  6. Step 6: Final answer
    x = 5,107.52

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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.