Home / 6,804.20-9,389.80-3,820.32

Finding the Fourth Proportional to 6,804.20, 9,389.80 and 3,820.32

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Solution

The fourth proportional to 6,804.20, 9,389.80 and 3,820.32 is: 5,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.20 : 9,389.80 = 3,820.32 : x
  2. Step 2: Convert to fraction form
    6,804.20/9,389.80 = 3,820.32/x
  3. Step 3: Cross multiply
    6,804.20x = 9,389.80 × 3,820.32
  4. Step 4: Simplify right side
    6,804.20x = 35,872,040.74
  5. Step 5: Solve for x
    x = 35,872,040.74/6,804.20
  6. Step 6: Final answer
    x = 5,272.04

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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.