Home / 7,519.56-10,376.12-4,161.90

Finding the Fourth Proportional to 7,519.56, 10,376.12 and 4,161.90

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Solution

The fourth proportional to 7,519.56, 10,376.12 and 4,161.90 is: 5,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.56 : 10,376.12 = 4,161.90 : x
  2. Step 2: Convert to fraction form
    7,519.56/10,376.12 = 4,161.90/x
  3. Step 3: Cross multiply
    7,519.56x = 10,376.12 × 4,161.90
  4. Step 4: Simplify right side
    7,519.56x = 43,184,353.02
  5. Step 5: Solve for x
    x = 43,184,353.02/7,519.56
  6. Step 6: Final answer
    x = 5,742.94

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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.