Home / 7,834.37-11,752.91-4,139.69

Finding the Fourth Proportional to 7,834.37, 11,752.91 and 4,139.69

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Solution

The fourth proportional to 7,834.37, 11,752.91 and 4,139.69 is: 6,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.37 : 11,752.91 = 4,139.69 : x
  2. Step 2: Convert to fraction form
    7,834.37/11,752.91 = 4,139.69/x
  3. Step 3: Cross multiply
    7,834.37x = 11,752.91 × 4,139.69
  4. Step 4: Simplify right side
    7,834.37x = 48,653,443.73
  5. Step 5: Solve for x
    x = 48,653,443.73/7,834.37
  6. Step 6: Final answer
    x = 6,210.25

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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.