Home / 6,723.08-9,278.36-3,739.16

Finding the Fourth Proportional to 6,723.08, 9,278.36 and 3,739.16

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Solution

The fourth proportional to 6,723.08, 9,278.36 and 3,739.16 is: 5,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.08 : 9,278.36 = 3,739.16 : x
  2. Step 2: Convert to fraction form
    6,723.08/9,278.36 = 3,739.16/x
  3. Step 3: Cross multiply
    6,723.08x = 9,278.36 × 3,739.16
  4. Step 4: Simplify right side
    6,723.08x = 34,693,272.58
  5. Step 5: Solve for x
    x = 34,693,272.58/6,723.08
  6. Step 6: Final answer
    x = 5,160.32

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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.