Home / 7,101.66-10,649.96-2,102.55

Finding the Fourth Proportional to 7,101.66, 10,649.96 and 2,102.55

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Solution

The fourth proportional to 7,101.66, 10,649.96 and 2,102.55 is: 3,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.66 : 10,649.96 = 2,102.55 : x
  2. Step 2: Convert to fraction form
    7,101.66/10,649.96 = 2,102.55/x
  3. Step 3: Cross multiply
    7,101.66x = 10,649.96 × 2,102.55
  4. Step 4: Simplify right side
    7,101.66x = 22,392,073.40
  5. Step 5: Solve for x
    x = 22,392,073.40/7,101.66
  6. Step 6: Final answer
    x = 3,153.08

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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.