Home / 6,739.32-10,109.52-3,618.12

Finding the Fourth Proportional to 6,739.32, 10,109.52 and 3,618.12

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Solution

The fourth proportional to 6,739.32, 10,109.52 and 3,618.12 is: 5,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.32 : 10,109.52 = 3,618.12 : x
  2. Step 2: Convert to fraction form
    6,739.32/10,109.52 = 3,618.12/x
  3. Step 3: Cross multiply
    6,739.32x = 10,109.52 × 3,618.12
  4. Step 4: Simplify right side
    6,739.32x = 36,577,456.50
  5. Step 5: Solve for x
    x = 36,577,456.50/6,739.32
  6. Step 6: Final answer
    x = 5,427.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.