Home / 7,821.36-11,734.44-2,626.80

Finding the Fourth Proportional to 7,821.36, 11,734.44 and 2,626.80

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Solution

The fourth proportional to 7,821.36, 11,734.44 and 2,626.80 is: 3,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.36 : 11,734.44 = 2,626.80 : x
  2. Step 2: Convert to fraction form
    7,821.36/11,734.44 = 2,626.80/x
  3. Step 3: Cross multiply
    7,821.36x = 11,734.44 × 2,626.80
  4. Step 4: Simplify right side
    7,821.36x = 30,824,026.99
  5. Step 5: Solve for x
    x = 30,824,026.99/7,821.36
  6. Step 6: Final answer
    x = 3,941.01

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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.