Home / 5,678.06-8,516.09-1,728.37

Finding the Fourth Proportional to 5,678.06, 8,516.09 and 1,728.37

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Solution

The fourth proportional to 5,678.06, 8,516.09 and 1,728.37 is: 2,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.06 : 8,516.09 = 1,728.37 : x
  2. Step 2: Convert to fraction form
    5,678.06/8,516.09 = 1,728.37/x
  3. Step 3: Cross multiply
    5,678.06x = 8,516.09 × 1,728.37
  4. Step 4: Simplify right side
    5,678.06x = 14,718,924.54
  5. Step 5: Solve for x
    x = 14,718,924.54/5,678.06
  6. Step 6: Final answer
    x = 2,592.24

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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.