Home / 6,549.60-9,828-3,086.76

Finding the Fourth Proportional to 6,549.60, 9,828 and 3,086.76

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Solution

The fourth proportional to 6,549.60, 9,828 and 3,086.76 is: 4,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.60 : 9,828 = 3,086.76 : x
  2. Step 2: Convert to fraction form
    6,549.60/9,828 = 3,086.76/x
  3. Step 3: Cross multiply
    6,549.60x = 9,828 × 3,086.76
  4. Step 4: Simplify right side
    6,549.60x = 30,336,677.28
  5. Step 5: Solve for x
    x = 30,336,677.28/6,549.60
  6. Step 6: Final answer
    x = 4,631.84

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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.