Home / 4,478.45-6,180.38-2,709.02

Finding the Fourth Proportional to 4,478.45, 6,180.38 and 2,709.02

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Solution

The fourth proportional to 4,478.45, 6,180.38 and 2,709.02 is: 3,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.45 : 6,180.38 = 2,709.02 : x
  2. Step 2: Convert to fraction form
    4,478.45/6,180.38 = 2,709.02/x
  3. Step 3: Cross multiply
    4,478.45x = 6,180.38 × 2,709.02
  4. Step 4: Simplify right side
    4,478.45x = 16,742,728.58
  5. Step 5: Solve for x
    x = 16,742,728.58/4,478.45
  6. Step 6: Final answer
    x = 3,738.51

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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.