Home / 7,569.22-11,349.92-3,405.69

Finding the Fourth Proportional to 7,569.22, 11,349.92 and 3,405.69

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Solution

The fourth proportional to 7,569.22, 11,349.92 and 3,405.69 is: 5,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.22 : 11,349.92 = 3,405.69 : x
  2. Step 2: Convert to fraction form
    7,569.22/11,349.92 = 3,405.69/x
  3. Step 3: Cross multiply
    7,569.22x = 11,349.92 × 3,405.69
  4. Step 4: Simplify right side
    7,569.22x = 38,654,252.30
  5. Step 5: Solve for x
    x = 38,654,252.30/7,569.22
  6. Step 6: Final answer
    x = 5,106.77

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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.