Home / 5,392.09-8,088.11-2,105.51

Finding the Fourth Proportional to 5,392.09, 8,088.11 and 2,105.51

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Solution

The fourth proportional to 5,392.09, 8,088.11 and 2,105.51 is: 3,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.09 : 8,088.11 = 2,105.51 : x
  2. Step 2: Convert to fraction form
    5,392.09/8,088.11 = 2,105.51/x
  3. Step 3: Cross multiply
    5,392.09x = 8,088.11 × 2,105.51
  4. Step 4: Simplify right side
    5,392.09x = 17,029,585.96
  5. Step 5: Solve for x
    x = 17,029,585.96/5,392.09
  6. Step 6: Final answer
    x = 3,158.26

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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.