Home / 6,648.66-9,966.96-4,176

Finding the Fourth Proportional to 6,648.66, 9,966.96 and 4,176

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Solution

The fourth proportional to 6,648.66, 9,966.96 and 4,176 is: 6,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.66 : 9,966.96 = 4,176 : x
  2. Step 2: Convert to fraction form
    6,648.66/9,966.96 = 4,176/x
  3. Step 3: Cross multiply
    6,648.66x = 9,966.96 × 4,176
  4. Step 4: Simplify right side
    6,648.66x = 41,622,024.96
  5. Step 5: Solve for x
    x = 41,622,024.96/6,648.66
  6. Step 6: Final answer
    x = 6,260.21

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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.