Home / 7,240.11-9,993.05-4,717.86

Finding the Fourth Proportional to 7,240.11, 9,993.05 and 4,717.86

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Solution

The fourth proportional to 7,240.11, 9,993.05 and 4,717.86 is: 6,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.11 : 9,993.05 = 4,717.86 : x
  2. Step 2: Convert to fraction form
    7,240.11/9,993.05 = 4,717.86/x
  3. Step 3: Cross multiply
    7,240.11x = 9,993.05 × 4,717.86
  4. Step 4: Simplify right side
    7,240.11x = 47,145,810.87
  5. Step 5: Solve for x
    x = 47,145,810.87/7,240.11
  6. Step 6: Final answer
    x = 6,511.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.