Home / 5,396.64-8,088.96-2,108.16

Finding the Fourth Proportional to 5,396.64, 8,088.96 and 2,108.16

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Solution

The fourth proportional to 5,396.64, 8,088.96 and 2,108.16 is: 3,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.64 : 8,088.96 = 2,108.16 : x
  2. Step 2: Convert to fraction form
    5,396.64/8,088.96 = 2,108.16/x
  3. Step 3: Cross multiply
    5,396.64x = 8,088.96 × 2,108.16
  4. Step 4: Simplify right side
    5,396.64x = 17,052,821.91
  5. Step 5: Solve for x
    x = 17,052,821.91/5,396.64
  6. Step 6: Final answer
    x = 3,159.90

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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.