Home / 8,720.19-13,077.50-4,035.96

Finding the Fourth Proportional to 8,720.19, 13,077.50 and 4,035.96

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Solution

The fourth proportional to 8,720.19, 13,077.50 and 4,035.96 is: 6,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.19 : 13,077.50 = 4,035.96 : x
  2. Step 2: Convert to fraction form
    8,720.19/13,077.50 = 4,035.96/x
  3. Step 3: Cross multiply
    8,720.19x = 13,077.50 × 4,035.96
  4. Step 4: Simplify right side
    8,720.19x = 52,780,246.72
  5. Step 5: Solve for x
    x = 52,780,246.72/8,720.19
  6. Step 6: Final answer
    x = 6,052.65

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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.