Home / 6,376.30-8,797.85-3,858.35

Finding the Fourth Proportional to 6,376.30, 8,797.85 and 3,858.35

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Solution

The fourth proportional to 6,376.30, 8,797.85 and 3,858.35 is: 5,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.30 : 8,797.85 = 3,858.35 : x
  2. Step 2: Convert to fraction form
    6,376.30/8,797.85 = 3,858.35/x
  3. Step 3: Cross multiply
    6,376.30x = 8,797.85 × 3,858.35
  4. Step 4: Simplify right side
    6,376.30x = 33,945,184.55
  5. Step 5: Solve for x
    x = 33,945,184.55/6,376.30
  6. Step 6: Final answer
    x = 5,323.65

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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.