Home / 4,816.69-6,647.57-2,720.95

Finding the Fourth Proportional to 4,816.69, 6,647.57 and 2,720.95

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Solution

The fourth proportional to 4,816.69, 6,647.57 and 2,720.95 is: 3,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.69 : 6,647.57 = 2,720.95 : x
  2. Step 2: Convert to fraction form
    4,816.69/6,647.57 = 2,720.95/x
  3. Step 3: Cross multiply
    4,816.69x = 6,647.57 × 2,720.95
  4. Step 4: Simplify right side
    4,816.69x = 18,087,685.57
  5. Step 5: Solve for x
    x = 18,087,685.57/4,816.69
  6. Step 6: Final answer
    x = 3,755.21

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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.