Home / 6,375.36-8,798.08-3,857.44

Finding the Fourth Proportional to 6,375.36, 8,798.08 and 3,857.44

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Solution

The fourth proportional to 6,375.36, 8,798.08 and 3,857.44 is: 5,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.36 : 8,798.08 = 3,857.44 : x
  2. Step 2: Convert to fraction form
    6,375.36/8,798.08 = 3,857.44/x
  3. Step 3: Cross multiply
    6,375.36x = 8,798.08 × 3,857.44
  4. Step 4: Simplify right side
    6,375.36x = 33,938,065.72
  5. Step 5: Solve for x
    x = 33,938,065.72/6,375.36
  6. Step 6: Final answer
    x = 5,323.32

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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.