Home / 6,642.12-9,166.62-3,848.04

Finding the Fourth Proportional to 6,642.12, 9,166.62 and 3,848.04

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Solution

The fourth proportional to 6,642.12, 9,166.62 and 3,848.04 is: 5,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.12 : 9,166.62 = 3,848.04 : x
  2. Step 2: Convert to fraction form
    6,642.12/9,166.62 = 3,848.04/x
  3. Step 3: Cross multiply
    6,642.12x = 9,166.62 × 3,848.04
  4. Step 4: Simplify right side
    6,642.12x = 35,273,520.42
  5. Step 5: Solve for x
    x = 35,273,520.42/6,642.12
  6. Step 6: Final answer
    x = 5,310.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.