Home / 7,100.66-10,648.46-2,101.55

Finding the Fourth Proportional to 7,100.66, 10,648.46 and 2,101.55

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Solution

The fourth proportional to 7,100.66, 10,648.46 and 2,101.55 is: 3,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.66 : 10,648.46 = 2,101.55 : x
  2. Step 2: Convert to fraction form
    7,100.66/10,648.46 = 2,101.55/x
  3. Step 3: Cross multiply
    7,100.66x = 10,648.46 × 2,101.55
  4. Step 4: Simplify right side
    7,100.66x = 22,378,223.12
  5. Step 5: Solve for x
    x = 22,378,223.12/7,100.66
  6. Step 6: Final answer
    x = 3,151.57

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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.