Home / 6,808.47-10,213.35-2,648.80

Finding the Fourth Proportional to 6,808.47, 10,213.35 and 2,648.80

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Solution

The fourth proportional to 6,808.47, 10,213.35 and 2,648.80 is: 3,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.47 : 10,213.35 = 2,648.80 : x
  2. Step 2: Convert to fraction form
    6,808.47/10,213.35 = 2,648.80/x
  3. Step 3: Cross multiply
    6,808.47x = 10,213.35 × 2,648.80
  4. Step 4: Simplify right side
    6,808.47x = 27,053,121.48
  5. Step 5: Solve for x
    x = 27,053,121.48/6,808.47
  6. Step 6: Final answer
    x = 3,973.45

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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.