Home / 7,372.09-11,062.69-2,989.58

Finding the Fourth Proportional to 7,372.09, 11,062.69 and 2,989.58

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Solution

The fourth proportional to 7,372.09, 11,062.69 and 2,989.58 is: 4,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.09 : 11,062.69 = 2,989.58 : x
  2. Step 2: Convert to fraction form
    7,372.09/11,062.69 = 2,989.58/x
  3. Step 3: Cross multiply
    7,372.09x = 11,062.69 × 2,989.58
  4. Step 4: Simplify right side
    7,372.09x = 33,072,816.95
  5. Step 5: Solve for x
    x = 33,072,816.95/7,372.09
  6. Step 6: Final answer
    x = 4,486.22

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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.