Home / 5,620.93-7,756.76-3,102.97

Finding the Fourth Proportional to 5,620.93, 7,756.76 and 3,102.97

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Solution

The fourth proportional to 5,620.93, 7,756.76 and 3,102.97 is: 4,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.93 : 7,756.76 = 3,102.97 : x
  2. Step 2: Convert to fraction form
    5,620.93/7,756.76 = 3,102.97/x
  3. Step 3: Cross multiply
    5,620.93x = 7,756.76 × 3,102.97
  4. Step 4: Simplify right side
    5,620.93x = 24,068,974.67
  5. Step 5: Solve for x
    x = 24,068,974.67/5,620.93
  6. Step 6: Final answer
    x = 4,282.03

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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.