Home / 6,809.28-10,197.45-5,221.01

Finding the Fourth Proportional to 6,809.28, 10,197.45 and 5,221.01

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Solution

The fourth proportional to 6,809.28, 10,197.45 and 5,221.01 is: 7,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.28 : 10,197.45 = 5,221.01 : x
  2. Step 2: Convert to fraction form
    6,809.28/10,197.45 = 5,221.01/x
  3. Step 3: Cross multiply
    6,809.28x = 10,197.45 × 5,221.01
  4. Step 4: Simplify right side
    6,809.28x = 53,240,937.44
  5. Step 5: Solve for x
    x = 53,240,937.44/6,809.28
  6. Step 6: Final answer
    x = 7,818.88

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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.