Home / 7,103.70-10,655.16-2,173.38

Finding the Fourth Proportional to 7,103.70, 10,655.16 and 2,173.38

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Solution

The fourth proportional to 7,103.70, 10,655.16 and 2,173.38 is: 3,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.70 : 10,655.16 = 2,173.38 : x
  2. Step 2: Convert to fraction form
    7,103.70/10,655.16 = 2,173.38/x
  3. Step 3: Cross multiply
    7,103.70x = 10,655.16 × 2,173.38
  4. Step 4: Simplify right side
    7,103.70x = 23,157,711.64
  5. Step 5: Solve for x
    x = 23,157,711.64/7,103.70
  6. Step 6: Final answer
    x = 3,259.95

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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.