Home / 5,287.83-7,930.44-1,777.97

Finding the Fourth Proportional to 5,287.83, 7,930.44 and 1,777.97

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Solution

The fourth proportional to 5,287.83, 7,930.44 and 1,777.97 is: 2,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.83 : 7,930.44 = 1,777.97 : x
  2. Step 2: Convert to fraction form
    5,287.83/7,930.44 = 1,777.97/x
  3. Step 3: Cross multiply
    5,287.83x = 7,930.44 × 1,777.97
  4. Step 4: Simplify right side
    5,287.83x = 14,100,044.75
  5. Step 5: Solve for x
    x = 14,100,044.75/5,287.83
  6. Step 6: Final answer
    x = 2,666.51

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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.