Home / 6,078.61-8,382.90-3,836.62

Finding the Fourth Proportional to 6,078.61, 8,382.90 and 3,836.62

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Solution

The fourth proportional to 6,078.61, 8,382.90 and 3,836.62 is: 5,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.61 : 8,382.90 = 3,836.62 : x
  2. Step 2: Convert to fraction form
    6,078.61/8,382.90 = 3,836.62/x
  3. Step 3: Cross multiply
    6,078.61x = 8,382.90 × 3,836.62
  4. Step 4: Simplify right side
    6,078.61x = 32,162,001.80
  5. Step 5: Solve for x
    x = 32,162,001.80/6,078.61
  6. Step 6: Final answer
    x = 5,291.01

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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.