Home / 7,844.28-11,762.10-4,145.88

Finding the Fourth Proportional to 7,844.28, 11,762.10 and 4,145.88

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Solution

The fourth proportional to 7,844.28, 11,762.10 and 4,145.88 is: 6,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.28 : 11,762.10 = 4,145.88 : x
  2. Step 2: Convert to fraction form
    7,844.28/11,762.10 = 4,145.88/x
  3. Step 3: Cross multiply
    7,844.28x = 11,762.10 × 4,145.88
  4. Step 4: Simplify right side
    7,844.28x = 48,764,255.15
  5. Step 5: Solve for x
    x = 48,764,255.15/7,844.28
  6. Step 6: Final answer
    x = 6,216.54

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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.