Home / 6,816.79-10,223.20-2,655.86

Finding the Fourth Proportional to 6,816.79, 10,223.20 and 2,655.86

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Solution

The fourth proportional to 6,816.79, 10,223.20 and 2,655.86 is: 3,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.79 : 10,223.20 = 2,655.86 : x
  2. Step 2: Convert to fraction form
    6,816.79/10,223.20 = 2,655.86/x
  3. Step 3: Cross multiply
    6,816.79x = 10,223.20 × 2,655.86
  4. Step 4: Simplify right side
    6,816.79x = 27,151,406.87
  5. Step 5: Solve for x
    x = 27,151,406.87/6,816.79
  6. Step 6: Final answer
    x = 3,983.02

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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.