Home / 6,450.80-8,901.40-3,799.04

Finding the Fourth Proportional to 6,450.80, 8,901.40 and 3,799.04

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Solution

The fourth proportional to 6,450.80, 8,901.40 and 3,799.04 is: 5,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.80 : 8,901.40 = 3,799.04 : x
  2. Step 2: Convert to fraction form
    6,450.80/8,901.40 = 3,799.04/x
  3. Step 3: Cross multiply
    6,450.80x = 8,901.40 × 3,799.04
  4. Step 4: Simplify right side
    6,450.80x = 33,816,774.66
  5. Step 5: Solve for x
    x = 33,816,774.66/6,450.80
  6. Step 6: Final answer
    x = 5,242.26

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Half scale
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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.