Home / 6,800.24-10,202.80-4,200.16

Finding the Fourth Proportional to 6,800.24, 10,202.80 and 4,200.16

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Solution

The fourth proportional to 6,800.24, 10,202.80 and 4,200.16 is: 6,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.24 : 10,202.80 = 4,200.16 : x
  2. Step 2: Convert to fraction form
    6,800.24/10,202.80 = 4,200.16/x
  3. Step 3: Cross multiply
    6,800.24x = 10,202.80 × 4,200.16
  4. Step 4: Simplify right side
    6,800.24x = 42,853,392.45
  5. Step 5: Solve for x
    x = 42,853,392.45/6,800.24
  6. Step 6: Final answer
    x = 6,301.75

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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.