Home / 8,935.59-13,403.58-3,391.54

Finding the Fourth Proportional to 8,935.59, 13,403.58 and 3,391.54

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Solution

The fourth proportional to 8,935.59, 13,403.58 and 3,391.54 is: 5,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.59 : 13,403.58 = 3,391.54 : x
  2. Step 2: Convert to fraction form
    8,935.59/13,403.58 = 3,391.54/x
  3. Step 3: Cross multiply
    8,935.59x = 13,403.58 × 3,391.54
  4. Step 4: Simplify right side
    8,935.59x = 45,458,777.71
  5. Step 5: Solve for x
    x = 45,458,777.71/8,935.59
  6. Step 6: Final answer
    x = 5,087.38

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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.