Home / 5,830.70-8,046.47-3,178.11

Finding the Fourth Proportional to 5,830.70, 8,046.47 and 3,178.11

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Solution

The fourth proportional to 5,830.70, 8,046.47 and 3,178.11 is: 4,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.70 : 8,046.47 = 3,178.11 : x
  2. Step 2: Convert to fraction form
    5,830.70/8,046.47 = 3,178.11/x
  3. Step 3: Cross multiply
    5,830.70x = 8,046.47 × 3,178.11
  4. Step 4: Simplify right side
    5,830.70x = 25,572,550.88
  5. Step 5: Solve for x
    x = 25,572,550.88/5,830.70
  6. Step 6: Final answer
    x = 4,385.85

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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.