Home / 7,578.53-11,359.90-4,455.98

Finding the Fourth Proportional to 7,578.53, 11,359.90 and 4,455.98

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Solution

The fourth proportional to 7,578.53, 11,359.90 and 4,455.98 is: 6,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.53 : 11,359.90 = 4,455.98 : x
  2. Step 2: Convert to fraction form
    7,578.53/11,359.90 = 4,455.98/x
  3. Step 3: Cross multiply
    7,578.53x = 11,359.90 × 4,455.98
  4. Step 4: Simplify right side
    7,578.53x = 50,619,487.20
  5. Step 5: Solve for x
    x = 50,619,487.20/7,578.53
  6. Step 6: Final answer
    x = 6,679.33

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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.