Home / 6,722.30-10,083.45-4,259.90

Finding the Fourth Proportional to 6,722.30, 10,083.45 and 4,259.90

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Solution

The fourth proportional to 6,722.30, 10,083.45 and 4,259.90 is: 6,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.30 : 10,083.45 = 4,259.90 : x
  2. Step 2: Convert to fraction form
    6,722.30/10,083.45 = 4,259.90/x
  3. Step 3: Cross multiply
    6,722.30x = 10,083.45 × 4,259.90
  4. Step 4: Simplify right side
    6,722.30x = 42,954,488.66
  5. Step 5: Solve for x
    x = 42,954,488.66/6,722.30
  6. Step 6: Final answer
    x = 6,389.85

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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.