Home / 4,276.80-5,900.88-3,979.50

Finding the Fourth Proportional to 4,276.80, 5,900.88 and 3,979.50

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Solution

The fourth proportional to 4,276.80, 5,900.88 and 3,979.50 is: 5,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.80 : 5,900.88 = 3,979.50 : x
  2. Step 2: Convert to fraction form
    4,276.80/5,900.88 = 3,979.50/x
  3. Step 3: Cross multiply
    4,276.80x = 5,900.88 × 3,979.50
  4. Step 4: Simplify right side
    4,276.80x = 23,482,551.96
  5. Step 5: Solve for x
    x = 23,482,551.96/4,276.80
  6. Step 6: Final answer
    x = 5,490.68

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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.