Home / 8,720.00-13,072.71-4,043.35

Finding the Fourth Proportional to 8,720.00, 13,072.71 and 4,043.35

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Solution

The fourth proportional to 8,720.00, 13,072.71 and 4,043.35 is: 6,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.00 : 13,072.71 = 4,043.35 : x
  2. Step 2: Convert to fraction form
    8,720.00/13,072.71 = 4,043.35/x
  3. Step 3: Cross multiply
    8,720.00x = 13,072.71 × 4,043.35
  4. Step 4: Simplify right side
    8,720.00x = 52,857,550.74
  5. Step 5: Solve for x
    x = 52,857,550.74/8,720.00
  6. Step 6: Final answer
    x = 6,061.64

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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.