Home / 5,628.63-7,767.09-3,110.70

Finding the Fourth Proportional to 5,628.63, 7,767.09 and 3,110.70

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Solution

The fourth proportional to 5,628.63, 7,767.09 and 3,110.70 is: 4,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.63 : 7,767.09 = 3,110.70 : x
  2. Step 2: Convert to fraction form
    5,628.63/7,767.09 = 3,110.70/x
  3. Step 3: Cross multiply
    5,628.63x = 7,767.09 × 3,110.70
  4. Step 4: Simplify right side
    5,628.63x = 24,161,086.86
  5. Step 5: Solve for x
    x = 24,161,086.86/5,628.63
  6. Step 6: Final answer
    x = 4,292.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.