Home / 4,898.78-6,760.20-2,660.56

Finding the Fourth Proportional to 4,898.78, 6,760.20 and 2,660.56

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Solution

The fourth proportional to 4,898.78, 6,760.20 and 2,660.56 is: 3,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.78 : 6,760.20 = 2,660.56 : x
  2. Step 2: Convert to fraction form
    4,898.78/6,760.20 = 2,660.56/x
  3. Step 3: Cross multiply
    4,898.78x = 6,760.20 × 2,660.56
  4. Step 4: Simplify right side
    4,898.78x = 17,985,917.71
  5. Step 5: Solve for x
    x = 17,985,917.71/4,898.78
  6. Step 6: Final answer
    x = 3,671.51

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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.