Home / 4,417.28-6,630.08-3,185.92

Finding the Fourth Proportional to 4,417.28, 6,630.08 and 3,185.92

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Solution

The fourth proportional to 4,417.28, 6,630.08 and 3,185.92 is: 4,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417.28 : 6,630.08 = 3,185.92 : x
  2. Step 2: Convert to fraction form
    4,417.28/6,630.08 = 3,185.92/x
  3. Step 3: Cross multiply
    4,417.28x = 6,630.08 × 3,185.92
  4. Step 4: Simplify right side
    4,417.28x = 21,122,904.47
  5. Step 5: Solve for x
    x = 21,122,904.47/4,417.28
  6. Step 6: Final answer
    x = 4,781.88

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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.