Home / 5,382.87-7,428.35-2,993.27

Finding the Fourth Proportional to 5,382.87, 7,428.35 and 2,993.27

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Solution

The fourth proportional to 5,382.87, 7,428.35 and 2,993.27 is: 4,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.87 : 7,428.35 = 2,993.27 : x
  2. Step 2: Convert to fraction form
    5,382.87/7,428.35 = 2,993.27/x
  3. Step 3: Cross multiply
    5,382.87x = 7,428.35 × 2,993.27
  4. Step 4: Simplify right side
    5,382.87x = 22,235,005.10
  5. Step 5: Solve for x
    x = 22,235,005.10/5,382.87
  6. Step 6: Final answer
    x = 4,130.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.