Home / 5,391.91-8,087.84-4,403.64

Finding the Fourth Proportional to 5,391.91, 8,087.84 and 4,403.64

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Solution

The fourth proportional to 5,391.91, 8,087.84 and 4,403.64 is: 6,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.91 : 8,087.84 = 4,403.64 : x
  2. Step 2: Convert to fraction form
    5,391.91/8,087.84 = 4,403.64/x
  3. Step 3: Cross multiply
    5,391.91x = 8,087.84 × 4,403.64
  4. Step 4: Simplify right side
    5,391.91x = 35,615,935.74
  5. Step 5: Solve for x
    x = 35,615,935.74/5,391.91
  6. Step 6: Final answer
    x = 6,605.44

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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.