Home / 4,635.81-6,398.63-2,843.88

Finding the Fourth Proportional to 4,635.81, 6,398.63 and 2,843.88

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Solution

The fourth proportional to 4,635.81, 6,398.63 and 2,843.88 is: 3,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.81 : 6,398.63 = 2,843.88 : x
  2. Step 2: Convert to fraction form
    4,635.81/6,398.63 = 2,843.88/x
  3. Step 3: Cross multiply
    4,635.81x = 6,398.63 × 2,843.88
  4. Step 4: Simplify right side
    4,635.81x = 18,196,921.67
  5. Step 5: Solve for x
    x = 18,196,921.67/4,635.81
  6. Step 6: Final answer
    x = 3,925.29

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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.