Home / 4,722.80-7,084.13-1,435.76

Finding the Fourth Proportional to 4,722.80, 7,084.13 and 1,435.76

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Solution

The fourth proportional to 4,722.80, 7,084.13 and 1,435.76 is: 2,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.80 : 7,084.13 = 1,435.76 : x
  2. Step 2: Convert to fraction form
    4,722.80/7,084.13 = 1,435.76/x
  3. Step 3: Cross multiply
    4,722.80x = 7,084.13 × 1,435.76
  4. Step 4: Simplify right side
    4,722.80x = 10,171,067.89
  5. Step 5: Solve for x
    x = 10,171,067.89/4,722.80
  6. Step 6: Final answer
    x = 2,153.61

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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.