Home / 5,392.29-8,088.74-2,105.10

Finding the Fourth Proportional to 5,392.29, 8,088.74 and 2,105.10

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Solution

The fourth proportional to 5,392.29, 8,088.74 and 2,105.10 is: 3,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.29 : 8,088.74 = 2,105.10 : x
  2. Step 2: Convert to fraction form
    5,392.29/8,088.74 = 2,105.10/x
  3. Step 3: Cross multiply
    5,392.29x = 8,088.74 × 2,105.10
  4. Step 4: Simplify right side
    5,392.29x = 17,027,596.05
  5. Step 5: Solve for x
    x = 17,027,596.05/5,392.29
  6. Step 6: Final answer
    x = 3,157.77

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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.