Home / 7,083.20-10,624.82-1,889.07

Finding the Fourth Proportional to 7,083.20, 10,624.82 and 1,889.07

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Solution

The fourth proportional to 7,083.20, 10,624.82 and 1,889.07 is: 2,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.20 : 10,624.82 = 1,889.07 : x
  2. Step 2: Convert to fraction form
    7,083.20/10,624.82 = 1,889.07/x
  3. Step 3: Cross multiply
    7,083.20x = 10,624.82 × 1,889.07
  4. Step 4: Simplify right side
    7,083.20x = 20,071,019.27
  5. Step 5: Solve for x
    x = 20,071,019.27/7,083.20
  6. Step 6: Final answer
    x = 2,833.61

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Double scale
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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.