Home / 8,173.24-11,278.72-4,637.12

Finding the Fourth Proportional to 8,173.24, 11,278.72 and 4,637.12

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Solution

The fourth proportional to 8,173.24, 11,278.72 and 4,637.12 is: 6,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.24 : 11,278.72 = 4,637.12 : x
  2. Step 2: Convert to fraction form
    8,173.24/11,278.72 = 4,637.12/x
  3. Step 3: Cross multiply
    8,173.24x = 11,278.72 × 4,637.12
  4. Step 4: Simplify right side
    8,173.24x = 52,300,727.49
  5. Step 5: Solve for x
    x = 52,300,727.49/8,173.24
  6. Step 6: Final answer
    x = 6,399.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.