Home / 6,722.20-10,083.30-5,339.80

Finding the Fourth Proportional to 6,722.20, 10,083.30 and 5,339.80

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Solution

The fourth proportional to 6,722.20, 10,083.30 and 5,339.80 is: 8,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.20 : 10,083.30 = 5,339.80 : x
  2. Step 2: Convert to fraction form
    6,722.20/10,083.30 = 5,339.80/x
  3. Step 3: Cross multiply
    6,722.20x = 10,083.30 × 5,339.80
  4. Step 4: Simplify right side
    6,722.20x = 53,842,805.34
  5. Step 5: Solve for x
    x = 53,842,805.34/6,722.20
  6. Step 6: Final answer
    x = 8,009.70

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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.