Home / 7,325.36-10,988.35-2,131.24

Finding the Fourth Proportional to 7,325.36, 10,988.35 and 2,131.24

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Solution

The fourth proportional to 7,325.36, 10,988.35 and 2,131.24 is: 3,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.36 : 10,988.35 = 2,131.24 : x
  2. Step 2: Convert to fraction form
    7,325.36/10,988.35 = 2,131.24/x
  3. Step 3: Cross multiply
    7,325.36x = 10,988.35 × 2,131.24
  4. Step 4: Simplify right side
    7,325.36x = 23,418,800.40
  5. Step 5: Solve for x
    x = 23,418,800.40/7,325.36
  6. Step 6: Final answer
    x = 3,196.95

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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.