Home / 6,142.42-9,211-2,340.56

Finding the Fourth Proportional to 6,142.42, 9,211 and 2,340.56

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Solution

The fourth proportional to 6,142.42, 9,211 and 2,340.56 is: 3,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.42 : 9,211 = 2,340.56 : x
  2. Step 2: Convert to fraction form
    6,142.42/9,211 = 2,340.56/x
  3. Step 3: Cross multiply
    6,142.42x = 9,211 × 2,340.56
  4. Step 4: Simplify right side
    6,142.42x = 21,558,898.16
  5. Step 5: Solve for x
    x = 21,558,898.16/6,142.42
  6. Step 6: Final answer
    x = 3,509.84

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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.