Home / 5,725.38-7,904.88-3,575.21

Finding the Fourth Proportional to 5,725.38, 7,904.88 and 3,575.21

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Solution

The fourth proportional to 5,725.38, 7,904.88 and 3,575.21 is: 4,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.38 : 7,904.88 = 3,575.21 : x
  2. Step 2: Convert to fraction form
    5,725.38/7,904.88 = 3,575.21/x
  3. Step 3: Cross multiply
    5,725.38x = 7,904.88 × 3,575.21
  4. Step 4: Simplify right side
    5,725.38x = 28,261,576.56
  5. Step 5: Solve for x
    x = 28,261,576.56/5,725.38
  6. Step 6: Final answer
    x = 4,936.19

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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.