Home / 5,390.91-8,086.34-4,402.64

Finding the Fourth Proportional to 5,390.91, 8,086.34 and 4,402.64

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Solution

The fourth proportional to 5,390.91, 8,086.34 and 4,402.64 is: 6,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.91 : 8,086.34 = 4,402.64 : x
  2. Step 2: Convert to fraction form
    5,390.91/8,086.34 = 4,402.64/x
  3. Step 3: Cross multiply
    5,390.91x = 8,086.34 × 4,402.64
  4. Step 4: Simplify right side
    5,390.91x = 35,601,275.16
  5. Step 5: Solve for x
    x = 35,601,275.16/5,390.91
  6. Step 6: Final answer
    x = 6,603.95

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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.