Home / 5,830.79-8,046.26-3,178.14

Finding the Fourth Proportional to 5,830.79, 8,046.26 and 3,178.14

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Solution

The fourth proportional to 5,830.79, 8,046.26 and 3,178.14 is: 4,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.79 : 8,046.26 = 3,178.14 : x
  2. Step 2: Convert to fraction form
    5,830.79/8,046.26 = 3,178.14/x
  3. Step 3: Cross multiply
    5,830.79x = 8,046.26 × 3,178.14
  4. Step 4: Simplify right side
    5,830.79x = 25,572,144.98
  5. Step 5: Solve for x
    x = 25,572,144.98/5,830.79
  6. Step 6: Final answer
    x = 4,385.71

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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.