Home / 7,822.09-11,730.70-2,626.75

Finding the Fourth Proportional to 7,822.09, 11,730.70 and 2,626.75

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Solution

The fourth proportional to 7,822.09, 11,730.70 and 2,626.75 is: 3,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.09 : 11,730.70 = 2,626.75 : x
  2. Step 2: Convert to fraction form
    7,822.09/11,730.70 = 2,626.75/x
  3. Step 3: Cross multiply
    7,822.09x = 11,730.70 × 2,626.75
  4. Step 4: Simplify right side
    7,822.09x = 30,813,616.23
  5. Step 5: Solve for x
    x = 30,813,616.23/7,822.09
  6. Step 6: Final answer
    x = 3,939.31

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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.