Home / 5,478.82-8,214.44-2,357.90

Finding the Fourth Proportional to 5,478.82, 8,214.44 and 2,357.90

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Solution

The fourth proportional to 5,478.82, 8,214.44 and 2,357.90 is: 3,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.82 : 8,214.44 = 2,357.90 : x
  2. Step 2: Convert to fraction form
    5,478.82/8,214.44 = 2,357.90/x
  3. Step 3: Cross multiply
    5,478.82x = 8,214.44 × 2,357.90
  4. Step 4: Simplify right side
    5,478.82x = 19,368,828.08
  5. Step 5: Solve for x
    x = 19,368,828.08/5,478.82
  6. Step 6: Final answer
    x = 3,535.22

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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.