Home / 6,899.39-10,339.69-3,605.66

Finding the Fourth Proportional to 6,899.39, 10,339.69 and 3,605.66

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Solution

The fourth proportional to 6,899.39, 10,339.69 and 3,605.66 is: 5,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.39 : 10,339.69 = 3,605.66 : x
  2. Step 2: Convert to fraction form
    6,899.39/10,339.69 = 3,605.66/x
  3. Step 3: Cross multiply
    6,899.39x = 10,339.69 × 3,605.66
  4. Step 4: Simplify right side
    6,899.39x = 37,281,406.65
  5. Step 5: Solve for x
    x = 37,281,406.65/6,899.39
  6. Step 6: Final answer
    x = 5,403.58

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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.