Home / 6,551.28-9,820.52-2,165.82

Finding the Fourth Proportional to 6,551.28, 9,820.52 and 2,165.82

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Solution

The fourth proportional to 6,551.28, 9,820.52 and 2,165.82 is: 3,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.28 : 9,820.52 = 2,165.82 : x
  2. Step 2: Convert to fraction form
    6,551.28/9,820.52 = 2,165.82/x
  3. Step 3: Cross multiply
    6,551.28x = 9,820.52 × 2,165.82
  4. Step 4: Simplify right side
    6,551.28x = 21,269,478.63
  5. Step 5: Solve for x
    x = 21,269,478.63/6,551.28
  6. Step 6: Final answer
    x = 3,246.61

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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.