Home / 4,785.11-6,604.75-3,106.42

Finding the Fourth Proportional to 4,785.11, 6,604.75 and 3,106.42

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Solution

The fourth proportional to 4,785.11, 6,604.75 and 3,106.42 is: 4,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.11 : 6,604.75 = 3,106.42 : x
  2. Step 2: Convert to fraction form
    4,785.11/6,604.75 = 3,106.42/x
  3. Step 3: Cross multiply
    4,785.11x = 6,604.75 × 3,106.42
  4. Step 4: Simplify right side
    4,785.11x = 20,517,111.96
  5. Step 5: Solve for x
    x = 20,517,111.96/4,785.11
  6. Step 6: Final answer
    x = 4,287.70

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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.