Home / 5,284.54-7,928-2,818.06

Finding the Fourth Proportional to 5,284.54, 7,928 and 2,818.06

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Solution

The fourth proportional to 5,284.54, 7,928 and 2,818.06 is: 4,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.54 : 7,928 = 2,818.06 : x
  2. Step 2: Convert to fraction form
    5,284.54/7,928 = 2,818.06/x
  3. Step 3: Cross multiply
    5,284.54x = 7,928 × 2,818.06
  4. Step 4: Simplify right side
    5,284.54x = 22,341,579.68
  5. Step 5: Solve for x
    x = 22,341,579.68/5,284.54
  6. Step 6: Final answer
    x = 4,227.72

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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.