Home / 4,620.20-6,925.80-2,643.80

Finding the Fourth Proportional to 4,620.20, 6,925.80 and 2,643.80

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Solution

The fourth proportional to 4,620.20, 6,925.80 and 2,643.80 is: 3,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.20 : 6,925.80 = 2,643.80 : x
  2. Step 2: Convert to fraction form
    4,620.20/6,925.80 = 2,643.80/x
  3. Step 3: Cross multiply
    4,620.20x = 6,925.80 × 2,643.80
  4. Step 4: Simplify right side
    4,620.20x = 18,310,430.04
  5. Step 5: Solve for x
    x = 18,310,430.04/4,620.20
  6. Step 6: Final answer
    x = 3,963.12

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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.