Home / 6,816.12-10,216.08-2,912.28

Finding the Fourth Proportional to 6,816.12, 10,216.08 and 2,912.28

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Solution

The fourth proportional to 6,816.12, 10,216.08 and 2,912.28 is: 4,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.12 : 10,216.08 = 2,912.28 : x
  2. Step 2: Convert to fraction form
    6,816.12/10,216.08 = 2,912.28/x
  3. Step 3: Cross multiply
    6,816.12x = 10,216.08 × 2,912.28
  4. Step 4: Simplify right side
    6,816.12x = 29,752,085.46
  5. Step 5: Solve for x
    x = 29,752,085.46/6,816.12
  6. Step 6: Final answer
    x = 4,364.96

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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.