Home / 4,785.66-6,604.14-2,689.77

Finding the Fourth Proportional to 4,785.66, 6,604.14 and 2,689.77

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Solution

The fourth proportional to 4,785.66, 6,604.14 and 2,689.77 is: 3,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.66 : 6,604.14 = 2,689.77 : x
  2. Step 2: Convert to fraction form
    4,785.66/6,604.14 = 2,689.77/x
  3. Step 3: Cross multiply
    4,785.66x = 6,604.14 × 2,689.77
  4. Step 4: Simplify right side
    4,785.66x = 17,763,617.65
  5. Step 5: Solve for x
    x = 17,763,617.65/4,785.66
  6. Step 6: Final answer
    x = 3,711.84

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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.