Home / 6,847.87-10,288.20-4,387.49

Finding the Fourth Proportional to 6,847.87, 10,288.20 and 4,387.49

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Solution

The fourth proportional to 6,847.87, 10,288.20 and 4,387.49 is: 6,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.87 : 10,288.20 = 4,387.49 : x
  2. Step 2: Convert to fraction form
    6,847.87/10,288.20 = 4,387.49/x
  3. Step 3: Cross multiply
    6,847.87x = 10,288.20 × 4,387.49
  4. Step 4: Simplify right side
    6,847.87x = 45,139,400.98
  5. Step 5: Solve for x
    x = 45,139,400.98/6,847.87
  6. Step 6: Final answer
    x = 6,591.75

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1.5x scale

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.