Home / 5,104.21-7,045.56-3,218.98

Finding the Fourth Proportional to 5,104.21, 7,045.56 and 3,218.98

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Solution

The fourth proportional to 5,104.21, 7,045.56 and 3,218.98 is: 4,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.21 : 7,045.56 = 3,218.98 : x
  2. Step 2: Convert to fraction form
    5,104.21/7,045.56 = 3,218.98/x
  3. Step 3: Cross multiply
    5,104.21x = 7,045.56 × 3,218.98
  4. Step 4: Simplify right side
    5,104.21x = 22,679,516.73
  5. Step 5: Solve for x
    x = 22,679,516.73/5,104.21
  6. Step 6: Final answer
    x = 4,443.30

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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.