Home / 4,722.70-7,080.97-2,642.94

Finding the Fourth Proportional to 4,722.70, 7,080.97 and 2,642.94

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Solution

The fourth proportional to 4,722.70, 7,080.97 and 2,642.94 is: 3,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.70 : 7,080.97 = 2,642.94 : x
  2. Step 2: Convert to fraction form
    4,722.70/7,080.97 = 2,642.94/x
  3. Step 3: Cross multiply
    4,722.70x = 7,080.97 × 2,642.94
  4. Step 4: Simplify right side
    4,722.70x = 18,714,578.85
  5. Step 5: Solve for x
    x = 18,714,578.85/4,722.70
  6. Step 6: Final answer
    x = 3,962.69

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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.