Home / 5,104.64-7,047.07-3,218.96

Finding the Fourth Proportional to 5,104.64, 7,047.07 and 3,218.96

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Solution

The fourth proportional to 5,104.64, 7,047.07 and 3,218.96 is: 4,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.64 : 7,047.07 = 3,218.96 : x
  2. Step 2: Convert to fraction form
    5,104.64/7,047.07 = 3,218.96/x
  3. Step 3: Cross multiply
    5,104.64x = 7,047.07 × 3,218.96
  4. Step 4: Simplify right side
    5,104.64x = 22,684,246.02
  5. Step 5: Solve for x
    x = 22,684,246.02/5,104.64
  6. Step 6: Final answer
    x = 4,443.85

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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.