Home / 5,680.62-8,520.93-3,370.50

Finding the Fourth Proportional to 5,680.62, 8,520.93 and 3,370.50

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Solution

The fourth proportional to 5,680.62, 8,520.93 and 3,370.50 is: 5,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.62 : 8,520.93 = 3,370.50 : x
  2. Step 2: Convert to fraction form
    5,680.62/8,520.93 = 3,370.50/x
  3. Step 3: Cross multiply
    5,680.62x = 8,520.93 × 3,370.50
  4. Step 4: Simplify right side
    5,680.62x = 28,719,794.57
  5. Step 5: Solve for x
    x = 28,719,794.57/5,680.62
  6. Step 6: Final answer
    x = 5,055.75

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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.