Home / 4,284.28-5,909.52-3,620.08

Finding the Fourth Proportional to 4,284.28, 5,909.52 and 3,620.08

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Solution

The fourth proportional to 4,284.28, 5,909.52 and 3,620.08 is: 4,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.28 : 5,909.52 = 3,620.08 : x
  2. Step 2: Convert to fraction form
    4,284.28/5,909.52 = 3,620.08/x
  3. Step 3: Cross multiply
    4,284.28x = 5,909.52 × 3,620.08
  4. Step 4: Simplify right side
    4,284.28x = 21,392,935.16
  5. Step 5: Solve for x
    x = 21,392,935.16/4,284.28
  6. Step 6: Final answer
    x = 4,993.36

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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.