Home / 5,628.47-7,767.26-3,110.57

Finding the Fourth Proportional to 5,628.47, 7,767.26 and 3,110.57

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Solution

The fourth proportional to 5,628.47, 7,767.26 and 3,110.57 is: 4,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.47 : 7,767.26 = 3,110.57 : x
  2. Step 2: Convert to fraction form
    5,628.47/7,767.26 = 3,110.57/x
  3. Step 3: Cross multiply
    5,628.47x = 7,767.26 × 3,110.57
  4. Step 4: Simplify right side
    5,628.47x = 24,160,551.55
  5. Step 5: Solve for x
    x = 24,160,551.55/5,628.47
  6. Step 6: Final answer
    x = 4,292.56

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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.