Home / 4,477.92-6,178.08-2,709.40

Finding the Fourth Proportional to 4,477.92, 6,178.08 and 2,709.40

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Solution

The fourth proportional to 4,477.92, 6,178.08 and 2,709.40 is: 3,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.92 : 6,178.08 = 2,709.40 : x
  2. Step 2: Convert to fraction form
    4,477.92/6,178.08 = 2,709.40/x
  3. Step 3: Cross multiply
    4,477.92x = 6,178.08 × 2,709.40
  4. Step 4: Simplify right side
    4,477.92x = 16,738,889.95
  5. Step 5: Solve for x
    x = 16,738,889.95/4,477.92
  6. Step 6: Final answer
    x = 3,738.09

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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.