Home / 4,228.72-6,335.78-2,803.08

Finding the Fourth Proportional to 4,228.72, 6,335.78 and 2,803.08

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Solution

The fourth proportional to 4,228.72, 6,335.78 and 2,803.08 is: 4,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.72 : 6,335.78 = 2,803.08 : x
  2. Step 2: Convert to fraction form
    4,228.72/6,335.78 = 2,803.08/x
  3. Step 3: Cross multiply
    4,228.72x = 6,335.78 × 2,803.08
  4. Step 4: Simplify right side
    4,228.72x = 17,759,698.20
  5. Step 5: Solve for x
    x = 17,759,698.20/4,228.72
  6. Step 6: Final answer
    x = 4,199.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.