Home / 4,887.69-7,331.36-1,377.96

Finding the Fourth Proportional to 4,887.69, 7,331.36 and 1,377.96

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Solution

The fourth proportional to 4,887.69, 7,331.36 and 1,377.96 is: 2,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.69 : 7,331.36 = 1,377.96 : x
  2. Step 2: Convert to fraction form
    4,887.69/7,331.36 = 1,377.96/x
  3. Step 3: Cross multiply
    4,887.69x = 7,331.36 × 1,377.96
  4. Step 4: Simplify right side
    4,887.69x = 10,102,335.43
  5. Step 5: Solve for x
    x = 10,102,335.43/4,887.69
  6. Step 6: Final answer
    x = 2,066.89

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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.