Home / 4,887.89-7,332.39-1,425.14

Finding the Fourth Proportional to 4,887.89, 7,332.39 and 1,425.14

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Solution

The fourth proportional to 4,887.89, 7,332.39 and 1,425.14 is: 2,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.89 : 7,332.39 = 1,425.14 : x
  2. Step 2: Convert to fraction form
    4,887.89/7,332.39 = 1,425.14/x
  3. Step 3: Cross multiply
    4,887.89x = 7,332.39 × 1,425.14
  4. Step 4: Simplify right side
    4,887.89x = 10,449,645.62
  5. Step 5: Solve for x
    x = 10,449,645.62/4,887.89
  6. Step 6: Final answer
    x = 2,137.87

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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.