Home / 7,207.95-10,809.45-3,507.81

Finding the Fourth Proportional to 7,207.95, 10,809.45 and 3,507.81

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Solution

The fourth proportional to 7,207.95, 10,809.45 and 3,507.81 is: 5,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.95 : 10,809.45 = 3,507.81 : x
  2. Step 2: Convert to fraction form
    7,207.95/10,809.45 = 3,507.81/x
  3. Step 3: Cross multiply
    7,207.95x = 10,809.45 × 3,507.81
  4. Step 4: Simplify right side
    7,207.95x = 37,917,496.80
  5. Step 5: Solve for x
    x = 37,917,496.80/7,207.95
  6. Step 6: Final answer
    x = 5,260.51

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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.