Home / 6,455.80-8,910.75-3,804.04

Finding the Fourth Proportional to 6,455.80, 8,910.75 and 3,804.04

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Solution

The fourth proportional to 6,455.80, 8,910.75 and 3,804.04 is: 5,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.80 : 8,910.75 = 3,804.04 : x
  2. Step 2: Convert to fraction form
    6,455.80/8,910.75 = 3,804.04/x
  3. Step 3: Cross multiply
    6,455.80x = 8,910.75 × 3,804.04
  4. Step 4: Simplify right side
    6,455.80x = 33,896,849.43
  5. Step 5: Solve for x
    x = 33,896,849.43/6,455.80
  6. Step 6: Final answer
    x = 5,250.60

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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.