Home / 4,725.23-7,087.85-2,125.13

Finding the Fourth Proportional to 4,725.23, 7,087.85 and 2,125.13

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Solution

The fourth proportional to 4,725.23, 7,087.85 and 2,125.13 is: 3,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.23 : 7,087.85 = 2,125.13 : x
  2. Step 2: Convert to fraction form
    4,725.23/7,087.85 = 2,125.13/x
  3. Step 3: Cross multiply
    4,725.23x = 7,087.85 × 2,125.13
  4. Step 4: Simplify right side
    4,725.23x = 15,062,625.70
  5. Step 5: Solve for x
    x = 15,062,625.70/4,725.23
  6. Step 6: Final answer
    x = 3,187.70

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Similar ratio
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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.