Home / 8,722.37-13,081.46-4,039.46

Finding the Fourth Proportional to 8,722.37, 13,081.46 and 4,039.46

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Solution

The fourth proportional to 8,722.37, 13,081.46 and 4,039.46 is: 6,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.37 : 13,081.46 = 4,039.46 : x
  2. Step 2: Convert to fraction form
    8,722.37/13,081.46 = 4,039.46/x
  3. Step 3: Cross multiply
    8,722.37x = 13,081.46 × 4,039.46
  4. Step 4: Simplify right side
    8,722.37x = 52,841,948.81
  5. Step 5: Solve for x
    x = 52,841,948.81/8,722.37
  6. Step 6: Final answer
    x = 6,058.21

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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.