Home / 4,816.50-6,647.40-2,721.04

Finding the Fourth Proportional to 4,816.50, 6,647.40 and 2,721.04

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Solution

The fourth proportional to 4,816.50, 6,647.40 and 2,721.04 is: 3,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.50 : 6,647.40 = 2,721.04 : x
  2. Step 2: Convert to fraction form
    4,816.50/6,647.40 = 2,721.04/x
  3. Step 3: Cross multiply
    4,816.50x = 6,647.40 × 2,721.04
  4. Step 4: Simplify right side
    4,816.50x = 18,087,841.30
  5. Step 5: Solve for x
    x = 18,087,841.30/4,816.50
  6. Step 6: Final answer
    x = 3,755.39

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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.