Home / 6,800.20-10,203.38-2,420.74

Finding the Fourth Proportional to 6,800.20, 10,203.38 and 2,420.74

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Solution

The fourth proportional to 6,800.20, 10,203.38 and 2,420.74 is: 3,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.20 : 10,203.38 = 2,420.74 : x
  2. Step 2: Convert to fraction form
    6,800.20/10,203.38 = 2,420.74/x
  3. Step 3: Cross multiply
    6,800.20x = 10,203.38 × 2,420.74
  4. Step 4: Simplify right side
    6,800.20x = 24,699,685.84
  5. Step 5: Solve for x
    x = 24,699,685.84/6,800.20
  6. Step 6: Final answer
    x = 3,632.20

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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.