Home / 6,429.26-8,872.74-3,777.44

Finding the Fourth Proportional to 6,429.26, 8,872.74 and 3,777.44

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Solution

The fourth proportional to 6,429.26, 8,872.74 and 3,777.44 is: 5,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.26 : 8,872.74 = 3,777.44 : x
  2. Step 2: Convert to fraction form
    6,429.26/8,872.74 = 3,777.44/x
  3. Step 3: Cross multiply
    6,429.26x = 8,872.74 × 3,777.44
  4. Step 4: Simplify right side
    6,429.26x = 33,516,242.99
  5. Step 5: Solve for x
    x = 33,516,242.99/6,429.26
  6. Step 6: Final answer
    x = 5,213.08

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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.