Home / 8,372.04-12,505.01-7,892.22

Finding the Fourth Proportional to 8,372.04, 12,505.01 and 7,892.22

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Solution

The fourth proportional to 8,372.04, 12,505.01 and 7,892.22 is: 11,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.04 : 12,505.01 = 7,892.22 : x
  2. Step 2: Convert to fraction form
    8,372.04/12,505.01 = 7,892.22/x
  3. Step 3: Cross multiply
    8,372.04x = 12,505.01 × 7,892.22
  4. Step 4: Simplify right side
    8,372.04x = 98,692,250.56
  5. Step 5: Solve for x
    x = 98,692,250.56/8,372.04
  6. Step 6: Final answer
    x = 11,788.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.