Home / 7,039.20-10,560.15-2,108.73

Finding the Fourth Proportional to 7,039.20, 10,560.15 and 2,108.73

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Solution

The fourth proportional to 7,039.20, 10,560.15 and 2,108.73 is: 3,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.20 : 10,560.15 = 2,108.73 : x
  2. Step 2: Convert to fraction form
    7,039.20/10,560.15 = 2,108.73/x
  3. Step 3: Cross multiply
    7,039.20x = 10,560.15 × 2,108.73
  4. Step 4: Simplify right side
    7,039.20x = 22,268,505.11
  5. Step 5: Solve for x
    x = 22,268,505.11/7,039.20
  6. Step 6: Final answer
    x = 3,163.50

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Half scale
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Double scale
Find fourth proportional to 7,040.20, 10,561.65 and 2,109.73
Similar ratio
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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.