Home / 7,747.64-11,621.36-1,904.30

Finding the Fourth Proportional to 7,747.64, 11,621.36 and 1,904.30

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Solution

The fourth proportional to 7,747.64, 11,621.36 and 1,904.30 is: 2,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.64 : 11,621.36 = 1,904.30 : x
  2. Step 2: Convert to fraction form
    7,747.64/11,621.36 = 1,904.30/x
  3. Step 3: Cross multiply
    7,747.64x = 11,621.36 × 1,904.30
  4. Step 4: Simplify right side
    7,747.64x = 22,130,589.66
  5. Step 5: Solve for x
    x = 22,130,589.66/7,747.64
  6. Step 6: Final answer
    x = 2,856.43

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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.