Home / 6,540.12-9,028.56-4,455.18

Finding the Fourth Proportional to 6,540.12, 9,028.56 and 4,455.18

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Solution

The fourth proportional to 6,540.12, 9,028.56 and 4,455.18 is: 6,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.12 : 9,028.56 = 4,455.18 : x
  2. Step 2: Convert to fraction form
    6,540.12/9,028.56 = 4,455.18/x
  3. Step 3: Cross multiply
    6,540.12x = 9,028.56 × 4,455.18
  4. Step 4: Simplify right side
    6,540.12x = 40,223,859.94
  5. Step 5: Solve for x
    x = 40,223,859.94/6,540.12
  6. Step 6: Final answer
    x = 6,150.32

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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.