Home / 7,207.29-10,814.99-3,920.61

Finding the Fourth Proportional to 7,207.29, 10,814.99 and 3,920.61

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Solution

The fourth proportional to 7,207.29, 10,814.99 and 3,920.61 is: 5,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.29 : 10,814.99 = 3,920.61 : x
  2. Step 2: Convert to fraction form
    7,207.29/10,814.99 = 3,920.61/x
  3. Step 3: Cross multiply
    7,207.29x = 10,814.99 × 3,920.61
  4. Step 4: Simplify right side
    7,207.29x = 42,401,338.34
  5. Step 5: Solve for x
    x = 42,401,338.34/7,207.29
  6. Step 6: Final answer
    x = 5,883.12

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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.