Home / 6,378.20-9,558.47-3,568.50

Finding the Fourth Proportional to 6,378.20, 9,558.47 and 3,568.50

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Solution

The fourth proportional to 6,378.20, 9,558.47 and 3,568.50 is: 5,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.20 : 9,558.47 = 3,568.50 : x
  2. Step 2: Convert to fraction form
    6,378.20/9,558.47 = 3,568.50/x
  3. Step 3: Cross multiply
    6,378.20x = 9,558.47 × 3,568.50
  4. Step 4: Simplify right side
    6,378.20x = 34,109,382.35
  5. Step 5: Solve for x
    x = 34,109,382.35/6,378.20
  6. Step 6: Final answer
    x = 5,347.81

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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.