Home / 4,279.50-5,901.39-3,860.46

Finding the Fourth Proportional to 4,279.50, 5,901.39 and 3,860.46

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Solution

The fourth proportional to 4,279.50, 5,901.39 and 3,860.46 is: 5,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.50 : 5,901.39 = 3,860.46 : x
  2. Step 2: Convert to fraction form
    4,279.50/5,901.39 = 3,860.46/x
  3. Step 3: Cross multiply
    4,279.50x = 5,901.39 × 3,860.46
  4. Step 4: Simplify right side
    4,279.50x = 22,782,080.04
  5. Step 5: Solve for x
    x = 22,782,080.04/4,279.50
  6. Step 6: Final answer
    x = 5,323.54

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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.