Home / 4,033.80-6,078.15-3,319.40

Finding the Fourth Proportional to 4,033.80, 6,078.15 and 3,319.40

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Solution

The fourth proportional to 4,033.80, 6,078.15 and 3,319.40 is: 5,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,033.80 : 6,078.15 = 3,319.40 : x
  2. Step 2: Convert to fraction form
    4,033.80/6,078.15 = 3,319.40/x
  3. Step 3: Cross multiply
    4,033.80x = 6,078.15 × 3,319.40
  4. Step 4: Simplify right side
    4,033.80x = 20,175,811.11
  5. Step 5: Solve for x
    x = 20,175,811.11/4,033.80
  6. Step 6: Final answer
    x = 5,001.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.