Home / 5,620.07-7,755.56-3,102.18

Finding the Fourth Proportional to 5,620.07, 7,755.56 and 3,102.18

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Solution

The fourth proportional to 5,620.07, 7,755.56 and 3,102.18 is: 4,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.07 : 7,755.56 = 3,102.18 : x
  2. Step 2: Convert to fraction form
    5,620.07/7,755.56 = 3,102.18/x
  3. Step 3: Cross multiply
    5,620.07x = 7,755.56 × 3,102.18
  4. Step 4: Simplify right side
    5,620.07x = 24,059,145.06
  5. Step 5: Solve for x
    x = 24,059,145.06/5,620.07
  6. Step 6: Final answer
    x = 4,280.94

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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.