Home / 7,387.75-11,084.87-4,309.75

Finding the Fourth Proportional to 7,387.75, 11,084.87 and 4,309.75

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Solution

The fourth proportional to 7,387.75, 11,084.87 and 4,309.75 is: 6,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.75 : 11,084.87 = 4,309.75 : x
  2. Step 2: Convert to fraction form
    7,387.75/11,084.87 = 4,309.75/x
  3. Step 3: Cross multiply
    7,387.75x = 11,084.87 × 4,309.75
  4. Step 4: Simplify right side
    7,387.75x = 47,773,018.48
  5. Step 5: Solve for x
    x = 47,773,018.48/7,387.75
  6. Step 6: Final answer
    x = 6,466.52

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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.