Home / 7,307.13-10,954.53-2,922.20

Finding the Fourth Proportional to 7,307.13, 10,954.53 and 2,922.20

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Solution

The fourth proportional to 7,307.13, 10,954.53 and 2,922.20 is: 4,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.13 : 10,954.53 = 2,922.20 : x
  2. Step 2: Convert to fraction form
    7,307.13/10,954.53 = 2,922.20/x
  3. Step 3: Cross multiply
    7,307.13x = 10,954.53 × 2,922.20
  4. Step 4: Simplify right side
    7,307.13x = 32,011,272.79
  5. Step 5: Solve for x
    x = 32,011,272.79/7,307.13
  6. Step 6: Final answer
    x = 4,380.83

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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.