Home / 6,128.17-9,192.65-2,616.21

Finding the Fourth Proportional to 6,128.17, 9,192.65 and 2,616.21

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Solution

The fourth proportional to 6,128.17, 9,192.65 and 2,616.21 is: 3,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.17 : 9,192.65 = 2,616.21 : x
  2. Step 2: Convert to fraction form
    6,128.17/9,192.65 = 2,616.21/x
  3. Step 3: Cross multiply
    6,128.17x = 9,192.65 × 2,616.21
  4. Step 4: Simplify right side
    6,128.17x = 24,049,902.86
  5. Step 5: Solve for x
    x = 24,049,902.86/6,128.17
  6. Step 6: Final answer
    x = 3,924.48

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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.