Home / 6,639.18-9,162.02-3,654.93

Finding the Fourth Proportional to 6,639.18, 9,162.02 and 3,654.93

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Solution

The fourth proportional to 6,639.18, 9,162.02 and 3,654.93 is: 5,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.18 : 9,162.02 = 3,654.93 : x
  2. Step 2: Convert to fraction form
    6,639.18/9,162.02 = 3,654.93/x
  3. Step 3: Cross multiply
    6,639.18x = 9,162.02 × 3,654.93
  4. Step 4: Simplify right side
    6,639.18x = 33,486,585.25
  5. Step 5: Solve for x
    x = 33,486,585.25/6,639.18
  6. Step 6: Final answer
    x = 5,043.79

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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.