Home / 6,804.60-9,390.30-3,820.44

Finding the Fourth Proportional to 6,804.60, 9,390.30 and 3,820.44

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Solution

The fourth proportional to 6,804.60, 9,390.30 and 3,820.44 is: 5,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.60 : 9,390.30 = 3,820.44 : x
  2. Step 2: Convert to fraction form
    6,804.60/9,390.30 = 3,820.44/x
  3. Step 3: Cross multiply
    6,804.60x = 9,390.30 × 3,820.44
  4. Step 4: Simplify right side
    6,804.60x = 35,875,077.73
  5. Step 5: Solve for x
    x = 35,875,077.73/6,804.60
  6. Step 6: Final answer
    x = 5,272.18

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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.