Home / 4,891.68-6,750.47-2,653.61

Finding the Fourth Proportional to 4,891.68, 6,750.47 and 2,653.61

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Solution

The fourth proportional to 4,891.68, 6,750.47 and 2,653.61 is: 3,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.68 : 6,750.47 = 2,653.61 : x
  2. Step 2: Convert to fraction form
    4,891.68/6,750.47 = 2,653.61/x
  3. Step 3: Cross multiply
    4,891.68x = 6,750.47 × 2,653.61
  4. Step 4: Simplify right side
    4,891.68x = 17,913,067.68
  5. Step 5: Solve for x
    x = 17,913,067.68/4,891.68
  6. Step 6: Final answer
    x = 3,661.95

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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.