Home / 7,339.36-10,981.75-4,379.39

Finding the Fourth Proportional to 7,339.36, 10,981.75 and 4,379.39

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Solution

The fourth proportional to 7,339.36, 10,981.75 and 4,379.39 is: 6,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.36 : 10,981.75 = 4,379.39 : x
  2. Step 2: Convert to fraction form
    7,339.36/10,981.75 = 4,379.39/x
  3. Step 3: Cross multiply
    7,339.36x = 10,981.75 × 4,379.39
  4. Step 4: Simplify right side
    7,339.36x = 48,093,366.13
  5. Step 5: Solve for x
    x = 48,093,366.13/7,339.36
  6. Step 6: Final answer
    x = 6,552.80

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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.