Home / 5,170.24-7,755.12-2,977.60

Finding the Fourth Proportional to 5,170.24, 7,755.12 and 2,977.60

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Solution

The fourth proportional to 5,170.24, 7,755.12 and 2,977.60 is: 4,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.24 : 7,755.12 = 2,977.60 : x
  2. Step 2: Convert to fraction form
    5,170.24/7,755.12 = 2,977.60/x
  3. Step 3: Cross multiply
    5,170.24x = 7,755.12 × 2,977.60
  4. Step 4: Simplify right side
    5,170.24x = 23,091,645.31
  5. Step 5: Solve for x
    x = 23,091,645.31/5,170.24
  6. Step 6: Final answer
    x = 4,466.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.