Home / 4,785.96-6,604.20-2,689.80

Finding the Fourth Proportional to 4,785.96, 6,604.20 and 2,689.80

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Solution

The fourth proportional to 4,785.96, 6,604.20 and 2,689.80 is: 3,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.96 : 6,604.20 = 2,689.80 : x
  2. Step 2: Convert to fraction form
    4,785.96/6,604.20 = 2,689.80/x
  3. Step 3: Cross multiply
    4,785.96x = 6,604.20 × 2,689.80
  4. Step 4: Simplify right side
    4,785.96x = 17,763,977.16
  5. Step 5: Solve for x
    x = 17,763,977.16/4,785.96
  6. Step 6: Final answer
    x = 3,711.69

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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.