Home / 5,678.46-8,519.80-2,557.52

Finding the Fourth Proportional to 5,678.46, 8,519.80 and 2,557.52

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Solution

The fourth proportional to 5,678.46, 8,519.80 and 2,557.52 is: 3,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.46 : 8,519.80 = 2,557.52 : x
  2. Step 2: Convert to fraction form
    5,678.46/8,519.80 = 2,557.52/x
  3. Step 3: Cross multiply
    5,678.46x = 8,519.80 × 2,557.52
  4. Step 4: Simplify right side
    5,678.46x = 21,789,558.90
  5. Step 5: Solve for x
    x = 21,789,558.90/5,678.46
  6. Step 6: Final answer
    x = 3,837.23

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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.