Home / 8,701.11-13,040.96-3,430.83

Finding the Fourth Proportional to 8,701.11, 13,040.96 and 3,430.83

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Solution

The fourth proportional to 8,701.11, 13,040.96 and 3,430.83 is: 5,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.11 : 13,040.96 = 3,430.83 : x
  2. Step 2: Convert to fraction form
    8,701.11/13,040.96 = 3,430.83/x
  3. Step 3: Cross multiply
    8,701.11x = 13,040.96 × 3,430.83
  4. Step 4: Simplify right side
    8,701.11x = 44,741,325.37
  5. Step 5: Solve for x
    x = 44,741,325.37/8,701.11
  6. Step 6: Final answer
    x = 5,142.03

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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.