Home / 7,763.80-11,622.78-5,126.44

Finding the Fourth Proportional to 7,763.80, 11,622.78 and 5,126.44

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Solution

The fourth proportional to 7,763.80, 11,622.78 and 5,126.44 is: 7,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.80 : 11,622.78 = 5,126.44 : x
  2. Step 2: Convert to fraction form
    7,763.80/11,622.78 = 5,126.44/x
  3. Step 3: Cross multiply
    7,763.80x = 11,622.78 × 5,126.44
  4. Step 4: Simplify right side
    7,763.80x = 59,583,484.30
  5. Step 5: Solve for x
    x = 59,583,484.30/7,763.80
  6. Step 6: Final answer
    x = 7,674.53

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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.