Home / 4,145.31-6,205.14-3,554.82

Finding the Fourth Proportional to 4,145.31, 6,205.14 and 3,554.82

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Solution

The fourth proportional to 4,145.31, 6,205.14 and 3,554.82 is: 5,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.31 : 6,205.14 = 3,554.82 : x
  2. Step 2: Convert to fraction form
    4,145.31/6,205.14 = 3,554.82/x
  3. Step 3: Cross multiply
    4,145.31x = 6,205.14 × 3,554.82
  4. Step 4: Simplify right side
    4,145.31x = 22,058,155.77
  5. Step 5: Solve for x
    x = 22,058,155.77/4,145.31
  6. Step 6: Final answer
    x = 5,321.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.