Home / 7,125.48-10,689.39-2,195.01

Finding the Fourth Proportional to 7,125.48, 10,689.39 and 2,195.01

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Solution

The fourth proportional to 7,125.48, 10,689.39 and 2,195.01 is: 3,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.48 : 10,689.39 = 2,195.01 : x
  2. Step 2: Convert to fraction form
    7,125.48/10,689.39 = 2,195.01/x
  3. Step 3: Cross multiply
    7,125.48x = 10,689.39 × 2,195.01
  4. Step 4: Simplify right side
    7,125.48x = 23,463,317.94
  5. Step 5: Solve for x
    x = 23,463,317.94/7,125.48
  6. Step 6: Final answer
    x = 3,292.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.