Home / 6,120.16-9,185.28-2,656.96

Finding the Fourth Proportional to 6,120.16, 9,185.28 and 2,656.96

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Solution

The fourth proportional to 6,120.16, 9,185.28 and 2,656.96 is: 3,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.16 : 9,185.28 = 2,656.96 : x
  2. Step 2: Convert to fraction form
    6,120.16/9,185.28 = 2,656.96/x
  3. Step 3: Cross multiply
    6,120.16x = 9,185.28 × 2,656.96
  4. Step 4: Simplify right side
    6,120.16x = 24,404,921.55
  5. Step 5: Solve for x
    x = 24,404,921.55/6,120.16
  6. Step 6: Final answer
    x = 3,987.63

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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.