Home / 7,270.65-10,906.56-3,521.34

Finding the Fourth Proportional to 7,270.65, 10,906.56 and 3,521.34

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Solution

The fourth proportional to 7,270.65, 10,906.56 and 3,521.34 is: 5,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.65 : 10,906.56 = 3,521.34 : x
  2. Step 2: Convert to fraction form
    7,270.65/10,906.56 = 3,521.34/x
  3. Step 3: Cross multiply
    7,270.65x = 10,906.56 × 3,521.34
  4. Step 4: Simplify right side
    7,270.65x = 38,405,705.99
  5. Step 5: Solve for x
    x = 38,405,705.99/7,270.65
  6. Step 6: Final answer
    x = 5,282.29

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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.