Home / 4,418.75-6,628.13-1,131.87

Finding the Fourth Proportional to 4,418.75, 6,628.13 and 1,131.87

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Solution

The fourth proportional to 4,418.75, 6,628.13 and 1,131.87 is: 1,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.75 : 6,628.13 = 1,131.87 : x
  2. Step 2: Convert to fraction form
    4,418.75/6,628.13 = 1,131.87/x
  3. Step 3: Cross multiply
    4,418.75x = 6,628.13 × 1,131.87
  4. Step 4: Simplify right side
    4,418.75x = 7,502,204.94
  5. Step 5: Solve for x
    x = 7,502,204.94/4,418.75
  6. Step 6: Final answer
    x = 1,697.81

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1.5x scale

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.