Home / 7,083.59-10,626.66-2,921.28

Finding the Fourth Proportional to 7,083.59, 10,626.66 and 2,921.28

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Solution

The fourth proportional to 7,083.59, 10,626.66 and 2,921.28 is: 4,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.59 : 10,626.66 = 2,921.28 : x
  2. Step 2: Convert to fraction form
    7,083.59/10,626.66 = 2,921.28/x
  3. Step 3: Cross multiply
    7,083.59x = 10,626.66 × 2,921.28
  4. Step 4: Simplify right side
    7,083.59x = 31,043,409.47
  5. Step 5: Solve for x
    x = 31,043,409.47/7,083.59
  6. Step 6: Final answer
    x = 4,382.44

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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.