Home / 8,715.01-13,072.53-3,451.26

Finding the Fourth Proportional to 8,715.01, 13,072.53 and 3,451.26

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Solution

The fourth proportional to 8,715.01, 13,072.53 and 3,451.26 is: 5,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.01 : 13,072.53 = 3,451.26 : x
  2. Step 2: Convert to fraction form
    8,715.01/13,072.53 = 3,451.26/x
  3. Step 3: Cross multiply
    8,715.01x = 13,072.53 × 3,451.26
  4. Step 4: Simplify right side
    8,715.01x = 45,116,699.89
  5. Step 5: Solve for x
    x = 45,116,699.89/8,715.01
  6. Step 6: Final answer
    x = 5,176.90

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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.