Home / 4,722.38-7,084.83-4,205.92

Finding the Fourth Proportional to 4,722.38, 7,084.83 and 4,205.92

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Solution

The fourth proportional to 4,722.38, 7,084.83 and 4,205.92 is: 6,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.38 : 7,084.83 = 4,205.92 : x
  2. Step 2: Convert to fraction form
    4,722.38/7,084.83 = 4,205.92/x
  3. Step 3: Cross multiply
    4,722.38x = 7,084.83 × 4,205.92
  4. Step 4: Simplify right side
    4,722.38x = 29,798,210.48
  5. Step 5: Solve for x
    x = 29,798,210.48/4,722.38
  6. Step 6: Final answer
    x = 6,310.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.