Home / 5,618.52-8,416.94-3,145.82

Finding the Fourth Proportional to 5,618.52, 8,416.94 and 3,145.82

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Solution

The fourth proportional to 5,618.52, 8,416.94 and 3,145.82 is: 4,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.52 : 8,416.94 = 3,145.82 : x
  2. Step 2: Convert to fraction form
    5,618.52/8,416.94 = 3,145.82/x
  3. Step 3: Cross multiply
    5,618.52x = 8,416.94 × 3,145.82
  4. Step 4: Simplify right side
    5,618.52x = 26,478,120.38
  5. Step 5: Solve for x
    x = 26,478,120.38/5,618.52
  6. Step 6: Final answer
    x = 4,712.65

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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.