Home / 4,760.44-7,139.68-2,784.76

Finding the Fourth Proportional to 4,760.44, 7,139.68 and 2,784.76

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Solution

The fourth proportional to 4,760.44, 7,139.68 and 2,784.76 is: 4,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.44 : 7,139.68 = 2,784.76 : x
  2. Step 2: Convert to fraction form
    4,760.44/7,139.68 = 2,784.76/x
  3. Step 3: Cross multiply
    4,760.44x = 7,139.68 × 2,784.76
  4. Step 4: Simplify right side
    4,760.44x = 19,882,295.28
  5. Step 5: Solve for x
    x = 19,882,295.28/4,760.44
  6. Step 6: Final answer
    x = 4,176.57

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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.