Home / 8,752.05-13,121.39-4,372.58

Finding the Fourth Proportional to 8,752.05, 13,121.39 and 4,372.58

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Solution

The fourth proportional to 8,752.05, 13,121.39 and 4,372.58 is: 6,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.05 : 13,121.39 = 4,372.58 : x
  2. Step 2: Convert to fraction form
    8,752.05/13,121.39 = 4,372.58/x
  3. Step 3: Cross multiply
    8,752.05x = 13,121.39 × 4,372.58
  4. Step 4: Simplify right side
    8,752.05x = 57,374,371.22
  5. Step 5: Solve for x
    x = 57,374,371.22/8,752.05
  6. Step 6: Final answer
    x = 6,555.54

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1.5x scale

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.