Home / 4,282.32-5,905.64-3,287.64

Finding the Fourth Proportional to 4,282.32, 5,905.64 and 3,287.64

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Solution

The fourth proportional to 4,282.32, 5,905.64 and 3,287.64 is: 4,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.32 : 5,905.64 = 3,287.64 : x
  2. Step 2: Convert to fraction form
    4,282.32/5,905.64 = 3,287.64/x
  3. Step 3: Cross multiply
    4,282.32x = 5,905.64 × 3,287.64
  4. Step 4: Simplify right side
    4,282.32x = 19,415,618.29
  5. Step 5: Solve for x
    x = 19,415,618.29/4,282.32
  6. Step 6: Final answer
    x = 4,533.90

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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.