Home / 5,830.40-8,046.20-3,177.96

Finding the Fourth Proportional to 5,830.40, 8,046.20 and 3,177.96

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Solution

The fourth proportional to 5,830.40, 8,046.20 and 3,177.96 is: 4,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.40 : 8,046.20 = 3,177.96 : x
  2. Step 2: Convert to fraction form
    5,830.40/8,046.20 = 3,177.96/x
  3. Step 3: Cross multiply
    5,830.40x = 8,046.20 × 3,177.96
  4. Step 4: Simplify right side
    5,830.40x = 25,570,501.75
  5. Step 5: Solve for x
    x = 25,570,501.75/5,830.40
  6. Step 6: Final answer
    x = 4,385.72

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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.