Home / 5,464.28-7,540.40-3,106.24

Finding the Fourth Proportional to 5,464.28, 7,540.40 and 3,106.24

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Solution

The fourth proportional to 5,464.28, 7,540.40 and 3,106.24 is: 4,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.28 : 7,540.40 = 3,106.24 : x
  2. Step 2: Convert to fraction form
    5,464.28/7,540.40 = 3,106.24/x
  3. Step 3: Cross multiply
    5,464.28x = 7,540.40 × 3,106.24
  4. Step 4: Simplify right side
    5,464.28x = 23,422,292.10
  5. Step 5: Solve for x
    x = 23,422,292.10/5,464.28
  6. Step 6: Final answer
    x = 4,286.44

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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.