Home / 5,397.94-8,078.61-3,319.25

Finding the Fourth Proportional to 5,397.94, 8,078.61 and 3,319.25

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Solution

The fourth proportional to 5,397.94, 8,078.61 and 3,319.25 is: 4,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.94 : 8,078.61 = 3,319.25 : x
  2. Step 2: Convert to fraction form
    5,397.94/8,078.61 = 3,319.25/x
  3. Step 3: Cross multiply
    5,397.94x = 8,078.61 × 3,319.25
  4. Step 4: Simplify right side
    5,397.94x = 26,814,957.12
  5. Step 5: Solve for x
    x = 26,814,957.12/5,397.94
  6. Step 6: Final answer
    x = 4,967.63

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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.