Home / 7,324.53-10,988.67-2,130.41

Finding the Fourth Proportional to 7,324.53, 10,988.67 and 2,130.41

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Solution

The fourth proportional to 7,324.53, 10,988.67 and 2,130.41 is: 3,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.53 : 10,988.67 = 2,130.41 : x
  2. Step 2: Convert to fraction form
    7,324.53/10,988.67 = 2,130.41/x
  3. Step 3: Cross multiply
    7,324.53x = 10,988.67 × 2,130.41
  4. Step 4: Simplify right side
    7,324.53x = 23,410,372.45
  5. Step 5: Solve for x
    x = 23,410,372.45/7,324.53
  6. Step 6: Final answer
    x = 3,196.16

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Why These Related Problems?

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