Home / 4,785.33-6,604.39-2,689.45

Finding the Fourth Proportional to 4,785.33, 6,604.39 and 2,689.45

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Solution

The fourth proportional to 4,785.33, 6,604.39 and 2,689.45 is: 3,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.33 : 6,604.39 = 2,689.45 : x
  2. Step 2: Convert to fraction form
    4,785.33/6,604.39 = 2,689.45/x
  3. Step 3: Cross multiply
    4,785.33x = 6,604.39 × 2,689.45
  4. Step 4: Simplify right side
    4,785.33x = 17,762,185.56
  5. Step 5: Solve for x
    x = 17,762,185.56/4,785.33
  6. Step 6: Final answer
    x = 3,711.80

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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.