Home / 6,721.55-10,068.60-3,200.90

Finding the Fourth Proportional to 6,721.55, 10,068.60 and 3,200.90

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Solution

The fourth proportional to 6,721.55, 10,068.60 and 3,200.90 is: 4,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.55 : 10,068.60 = 3,200.90 : x
  2. Step 2: Convert to fraction form
    6,721.55/10,068.60 = 3,200.90/x
  3. Step 3: Cross multiply
    6,721.55x = 10,068.60 × 3,200.90
  4. Step 4: Simplify right side
    6,721.55x = 32,228,581.74
  5. Step 5: Solve for x
    x = 32,228,581.74/6,721.55
  6. Step 6: Final answer
    x = 4,794.81

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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.