Home / 4,355.20-6,007.78-2,758.92

Finding the Fourth Proportional to 4,355.20, 6,007.78 and 2,758.92

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Solution

The fourth proportional to 4,355.20, 6,007.78 and 2,758.92 is: 3,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.20 : 6,007.78 = 2,758.92 : x
  2. Step 2: Convert to fraction form
    4,355.20/6,007.78 = 2,758.92/x
  3. Step 3: Cross multiply
    4,355.20x = 6,007.78 × 2,758.92
  4. Step 4: Simplify right side
    4,355.20x = 16,574,984.40
  5. Step 5: Solve for x
    x = 16,574,984.40/4,355.20
  6. Step 6: Final answer
    x = 3,805.79

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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.