Home / 7,757.32-10,704.86-4,220.44

Finding the Fourth Proportional to 7,757.32, 10,704.86 and 4,220.44

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Solution

The fourth proportional to 7,757.32, 10,704.86 and 4,220.44 is: 5,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.32 : 10,704.86 = 4,220.44 : x
  2. Step 2: Convert to fraction form
    7,757.32/10,704.86 = 4,220.44/x
  3. Step 3: Cross multiply
    7,757.32x = 10,704.86 × 4,220.44
  4. Step 4: Simplify right side
    7,757.32x = 45,179,219.34
  5. Step 5: Solve for x
    x = 45,179,219.34/7,757.32
  6. Step 6: Final answer
    x = 5,824.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.