Home / 8,971.11-13,457.57-3,429.11

Finding the Fourth Proportional to 8,971.11, 13,457.57 and 3,429.11

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Solution

The fourth proportional to 8,971.11, 13,457.57 and 3,429.11 is: 5,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.11 : 13,457.57 = 3,429.11 : x
  2. Step 2: Convert to fraction form
    8,971.11/13,457.57 = 3,429.11/x
  3. Step 3: Cross multiply
    8,971.11x = 13,457.57 × 3,429.11
  4. Step 4: Simplify right side
    8,971.11x = 46,147,487.86
  5. Step 5: Solve for x
    x = 46,147,487.86/8,971.11
  6. Step 6: Final answer
    x = 5,144.01

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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.