Home / 7,744.77-11,622.69-2,818.62

Finding the Fourth Proportional to 7,744.77, 11,622.69 and 2,818.62

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Solution

The fourth proportional to 7,744.77, 11,622.69 and 2,818.62 is: 4,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.77 : 11,622.69 = 2,818.62 : x
  2. Step 2: Convert to fraction form
    7,744.77/11,622.69 = 2,818.62/x
  3. Step 3: Cross multiply
    7,744.77x = 11,622.69 × 2,818.62
  4. Step 4: Simplify right side
    7,744.77x = 32,759,946.49
  5. Step 5: Solve for x
    x = 32,759,946.49/7,744.77
  6. Step 6: Final answer
    x = 4,229.94

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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.