Home / 4,378.28-6,041.78-2,388.68

Finding the Fourth Proportional to 4,378.28, 6,041.78 and 2,388.68

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Solution

The fourth proportional to 4,378.28, 6,041.78 and 2,388.68 is: 3,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.28 : 6,041.78 = 2,388.68 : x
  2. Step 2: Convert to fraction form
    4,378.28/6,041.78 = 2,388.68/x
  3. Step 3: Cross multiply
    4,378.28x = 6,041.78 × 2,388.68
  4. Step 4: Simplify right side
    4,378.28x = 14,431,879.05
  5. Step 5: Solve for x
    x = 14,431,879.05/4,378.28
  6. Step 6: Final answer
    x = 3,296.24

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1.5x scale

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.