Home / 4,731.92-6,530.28-2,742.12

Finding the Fourth Proportional to 4,731.92, 6,530.28 and 2,742.12

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Solution

The fourth proportional to 4,731.92, 6,530.28 and 2,742.12 is: 3,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.92 : 6,530.28 = 2,742.12 : x
  2. Step 2: Convert to fraction form
    4,731.92/6,530.28 = 2,742.12/x
  3. Step 3: Cross multiply
    4,731.92x = 6,530.28 × 2,742.12
  4. Step 4: Simplify right side
    4,731.92x = 17,906,811.39
  5. Step 5: Solve for x
    x = 17,906,811.39/4,731.92
  6. Step 6: Final answer
    x = 3,784.26

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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.