Home / 6,816.34-10,222.99-2,656.46

Finding the Fourth Proportional to 6,816.34, 10,222.99 and 2,656.46

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Solution

The fourth proportional to 6,816.34, 10,222.99 and 2,656.46 is: 3,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.34 : 10,222.99 = 2,656.46 : x
  2. Step 2: Convert to fraction form
    6,816.34/10,222.99 = 2,656.46/x
  3. Step 3: Cross multiply
    6,816.34x = 10,222.99 × 2,656.46
  4. Step 4: Simplify right side
    6,816.34x = 27,156,964.02
  5. Step 5: Solve for x
    x = 27,156,964.02/6,816.34
  6. Step 6: Final answer
    x = 3,984.10

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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.