Home / 7,639.83-11,459.61-2,093.31

Finding the Fourth Proportional to 7,639.83, 11,459.61 and 2,093.31

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Solution

The fourth proportional to 7,639.83, 11,459.61 and 2,093.31 is: 3,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.83 : 11,459.61 = 2,093.31 : x
  2. Step 2: Convert to fraction form
    7,639.83/11,459.61 = 2,093.31/x
  3. Step 3: Cross multiply
    7,639.83x = 11,459.61 × 2,093.31
  4. Step 4: Simplify right side
    7,639.83x = 23,988,516.21
  5. Step 5: Solve for x
    x = 23,988,516.21/7,639.83
  6. Step 6: Final answer
    x = 3,139.93

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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.