Home / 5,643.28-8,460.06-3,181.69

Finding the Fourth Proportional to 5,643.28, 8,460.06 and 3,181.69

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Solution

The fourth proportional to 5,643.28, 8,460.06 and 3,181.69 is: 4,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.28 : 8,460.06 = 3,181.69 : x
  2. Step 2: Convert to fraction form
    5,643.28/8,460.06 = 3,181.69/x
  3. Step 3: Cross multiply
    5,643.28x = 8,460.06 × 3,181.69
  4. Step 4: Simplify right side
    5,643.28x = 26,917,288.30
  5. Step 5: Solve for x
    x = 26,917,288.30/5,643.28
  6. Step 6: Final answer
    x = 4,769.79

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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.