Home / 5,632.79-7,772.56-3,114.56

Finding the Fourth Proportional to 5,632.79, 7,772.56 and 3,114.56

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Solution

The fourth proportional to 5,632.79, 7,772.56 and 3,114.56 is: 4,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.79 : 7,772.56 = 3,114.56 : x
  2. Step 2: Convert to fraction form
    5,632.79/7,772.56 = 3,114.56/x
  3. Step 3: Cross multiply
    5,632.79x = 7,772.56 × 3,114.56
  4. Step 4: Simplify right side
    5,632.79x = 24,208,104.47
  5. Step 5: Solve for x
    x = 24,208,104.47/5,632.79
  6. Step 6: Final answer
    x = 4,297.71

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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.