Home / 4,635.20-6,398.64-2,958.82

Finding the Fourth Proportional to 4,635.20, 6,398.64 and 2,958.82

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Solution

The fourth proportional to 4,635.20, 6,398.64 and 2,958.82 is: 4,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.20 : 6,398.64 = 2,958.82 : x
  2. Step 2: Convert to fraction form
    4,635.20/6,398.64 = 2,958.82/x
  3. Step 3: Cross multiply
    4,635.20x = 6,398.64 × 2,958.82
  4. Step 4: Simplify right side
    4,635.20x = 18,932,424.00
  5. Step 5: Solve for x
    x = 18,932,424.00/4,635.20
  6. Step 6: Final answer
    x = 4,084.49

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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.