Home / 7,222.76-10,835.86-2,292.40

Finding the Fourth Proportional to 7,222.76, 10,835.86 and 2,292.40

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Solution

The fourth proportional to 7,222.76, 10,835.86 and 2,292.40 is: 3,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.76 : 10,835.86 = 2,292.40 : x
  2. Step 2: Convert to fraction form
    7,222.76/10,835.86 = 2,292.40/x
  3. Step 3: Cross multiply
    7,222.76x = 10,835.86 × 2,292.40
  4. Step 4: Simplify right side
    7,222.76x = 24,840,147.25
  5. Step 5: Solve for x
    x = 24,840,147.25/7,222.76
  6. Step 6: Final answer
    x = 3,439.15

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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.