Home / 4,888.50-7,333.97-1,425.75

Finding the Fourth Proportional to 4,888.50, 7,333.97 and 1,425.75

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Solution

The fourth proportional to 4,888.50, 7,333.97 and 1,425.75 is: 2,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.50 : 7,333.97 = 1,425.75 : x
  2. Step 2: Convert to fraction form
    4,888.50/7,333.97 = 1,425.75/x
  3. Step 3: Cross multiply
    4,888.50x = 7,333.97 × 1,425.75
  4. Step 4: Simplify right side
    4,888.50x = 10,456,400.60
  5. Step 5: Solve for x
    x = 10,456,400.60/4,888.50
  6. Step 6: Final answer
    x = 2,138.98

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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.