Home / 5,120.52-7,066.68-3,025.32

Finding the Fourth Proportional to 5,120.52, 7,066.68 and 3,025.32

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Solution

The fourth proportional to 5,120.52, 7,066.68 and 3,025.32 is: 4,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.52 : 7,066.68 = 3,025.32 : x
  2. Step 2: Convert to fraction form
    5,120.52/7,066.68 = 3,025.32/x
  3. Step 3: Cross multiply
    5,120.52x = 7,066.68 × 3,025.32
  4. Step 4: Simplify right side
    5,120.52x = 21,378,968.34
  5. Step 5: Solve for x
    x = 21,378,968.34/5,120.52
  6. Step 6: Final answer
    x = 4,175.16

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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.