Home / 6,899.15-10,339.32-3,605.42

Finding the Fourth Proportional to 6,899.15, 10,339.32 and 3,605.42

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Solution

The fourth proportional to 6,899.15, 10,339.32 and 3,605.42 is: 5,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.15 : 10,339.32 = 3,605.42 : x
  2. Step 2: Convert to fraction form
    6,899.15/10,339.32 = 3,605.42/x
  3. Step 3: Cross multiply
    6,899.15x = 10,339.32 × 3,605.42
  4. Step 4: Simplify right side
    6,899.15x = 37,277,539.42
  5. Step 5: Solve for x
    x = 37,277,539.42/6,899.15
  6. Step 6: Final answer
    x = 5,403.21

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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.