Home / 4,633.76-6,388.98-3,218.64

Finding the Fourth Proportional to 4,633.76, 6,388.98 and 3,218.64

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Solution

The fourth proportional to 4,633.76, 6,388.98 and 3,218.64 is: 4,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,633.76 : 6,388.98 = 3,218.64 : x
  2. Step 2: Convert to fraction form
    4,633.76/6,388.98 = 3,218.64/x
  3. Step 3: Cross multiply
    4,633.76x = 6,388.98 × 3,218.64
  4. Step 4: Simplify right side
    4,633.76x = 20,563,826.59
  5. Step 5: Solve for x
    x = 20,563,826.59/4,633.76
  6. Step 6: Final answer
    x = 4,437.83

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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.