Home / 8,821.59-13,233.46-2,976.63

Finding the Fourth Proportional to 8,821.59, 13,233.46 and 2,976.63

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Solution

The fourth proportional to 8,821.59, 13,233.46 and 2,976.63 is: 4,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.59 : 13,233.46 = 2,976.63 : x
  2. Step 2: Convert to fraction form
    8,821.59/13,233.46 = 2,976.63/x
  3. Step 3: Cross multiply
    8,821.59x = 13,233.46 × 2,976.63
  4. Step 4: Simplify right side
    8,821.59x = 39,391,114.04
  5. Step 5: Solve for x
    x = 39,391,114.04/8,821.59
  6. Step 6: Final answer
    x = 4,465.31

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1.5x scale

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.