Home / 7,558.08-11,339.16-5,380.66

Finding the Fourth Proportional to 7,558.08, 11,339.16 and 5,380.66

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Solution

The fourth proportional to 7,558.08, 11,339.16 and 5,380.66 is: 8,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.08 : 11,339.16 = 5,380.66 : x
  2. Step 2: Convert to fraction form
    7,558.08/11,339.16 = 5,380.66/x
  3. Step 3: Cross multiply
    7,558.08x = 11,339.16 × 5,380.66
  4. Step 4: Simplify right side
    7,558.08x = 61,012,164.65
  5. Step 5: Solve for x
    x = 61,012,164.65/7,558.08
  6. Step 6: Final answer
    x = 8,072.44

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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.