Home / 8,724.98-13,073.81-3,457.15

Finding the Fourth Proportional to 8,724.98, 13,073.81 and 3,457.15

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Solution

The fourth proportional to 8,724.98, 13,073.81 and 3,457.15 is: 5,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.98 : 13,073.81 = 3,457.15 : x
  2. Step 2: Convert to fraction form
    8,724.98/13,073.81 = 3,457.15/x
  3. Step 3: Cross multiply
    8,724.98x = 13,073.81 × 3,457.15
  4. Step 4: Simplify right side
    8,724.98x = 45,198,072.27
  5. Step 5: Solve for x
    x = 45,198,072.27/8,724.98
  6. Step 6: Final answer
    x = 5,180.31

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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.