Home / 6,816.18-10,229.88-3,530.28

Finding the Fourth Proportional to 6,816.18, 10,229.88 and 3,530.28

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Solution

The fourth proportional to 6,816.18, 10,229.88 and 3,530.28 is: 5,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.18 : 10,229.88 = 3,530.28 : x
  2. Step 2: Convert to fraction form
    6,816.18/10,229.88 = 3,530.28/x
  3. Step 3: Cross multiply
    6,816.18x = 10,229.88 × 3,530.28
  4. Step 4: Simplify right side
    6,816.18x = 36,114,340.77
  5. Step 5: Solve for x
    x = 36,114,340.77/6,816.18
  6. Step 6: Final answer
    x = 5,298.33

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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.