Home / 5,789.59-7,989.56-3,431.77

Finding the Fourth Proportional to 5,789.59, 7,989.56 and 3,431.77

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Solution

The fourth proportional to 5,789.59, 7,989.56 and 3,431.77 is: 4,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.59 : 7,989.56 = 3,431.77 : x
  2. Step 2: Convert to fraction form
    5,789.59/7,989.56 = 3,431.77/x
  3. Step 3: Cross multiply
    5,789.59x = 7,989.56 × 3,431.77
  4. Step 4: Simplify right side
    5,789.59x = 27,418,332.32
  5. Step 5: Solve for x
    x = 27,418,332.32/5,789.59
  6. Step 6: Final answer
    x = 4,735.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.