Home / 5,281.60-7,288.78-3,043.30

Finding the Fourth Proportional to 5,281.60, 7,288.78 and 3,043.30

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Solution

The fourth proportional to 5,281.60, 7,288.78 and 3,043.30 is: 4,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.60 : 7,288.78 = 3,043.30 : x
  2. Step 2: Convert to fraction form
    5,281.60/7,288.78 = 3,043.30/x
  3. Step 3: Cross multiply
    5,281.60x = 7,288.78 × 3,043.30
  4. Step 4: Simplify right side
    5,281.60x = 22,181,944.17
  5. Step 5: Solve for x
    x = 22,181,944.17/5,281.60
  6. Step 6: Final answer
    x = 4,199.85

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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.