Home / 7,405.29-11,110.14-2,211.21

Finding the Fourth Proportional to 7,405.29, 11,110.14 and 2,211.21

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Solution

The fourth proportional to 7,405.29, 11,110.14 and 2,211.21 is: 3,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.29 : 11,110.14 = 2,211.21 : x
  2. Step 2: Convert to fraction form
    7,405.29/11,110.14 = 2,211.21/x
  3. Step 3: Cross multiply
    7,405.29x = 11,110.14 × 2,211.21
  4. Step 4: Simplify right side
    7,405.29x = 24,566,852.67
  5. Step 5: Solve for x
    x = 24,566,852.67/7,405.29
  6. Step 6: Final answer
    x = 3,317.47

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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.