Home / 6,078.30-9,122.91-3,158.64

Finding the Fourth Proportional to 6,078.30, 9,122.91 and 3,158.64

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Solution

The fourth proportional to 6,078.30, 9,122.91 and 3,158.64 is: 4,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.30 : 9,122.91 = 3,158.64 : x
  2. Step 2: Convert to fraction form
    6,078.30/9,122.91 = 3,158.64/x
  3. Step 3: Cross multiply
    6,078.30x = 9,122.91 × 3,158.64
  4. Step 4: Simplify right side
    6,078.30x = 28,815,988.44
  5. Step 5: Solve for x
    x = 28,815,988.44/6,078.30
  6. Step 6: Final answer
    x = 4,740.80

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1.5x scale

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.