Home / 7,293.42-10,942.56-2,909.70

Finding the Fourth Proportional to 7,293.42, 10,942.56 and 2,909.70

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Solution

The fourth proportional to 7,293.42, 10,942.56 and 2,909.70 is: 4,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.42 : 10,942.56 = 2,909.70 : x
  2. Step 2: Convert to fraction form
    7,293.42/10,942.56 = 2,909.70/x
  3. Step 3: Cross multiply
    7,293.42x = 10,942.56 × 2,909.70
  4. Step 4: Simplify right side
    7,293.42x = 31,839,566.83
  5. Step 5: Solve for x
    x = 31,839,566.83/7,293.42
  6. Step 6: Final answer
    x = 4,365.52

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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.