Home / 6,999.72-10,491.99-3,492.36

Finding the Fourth Proportional to 6,999.72, 10,491.99 and 3,492.36

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Solution

The fourth proportional to 6,999.72, 10,491.99 and 3,492.36 is: 5,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.72 : 10,491.99 = 3,492.36 : x
  2. Step 2: Convert to fraction form
    6,999.72/10,491.99 = 3,492.36/x
  3. Step 3: Cross multiply
    6,999.72x = 10,491.99 × 3,492.36
  4. Step 4: Simplify right side
    6,999.72x = 36,641,806.20
  5. Step 5: Solve for x
    x = 36,641,806.20/6,999.72
  6. Step 6: Final answer
    x = 5,234.75

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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.