Home / 5,460.91-8,192.64-1,565.21

Finding the Fourth Proportional to 5,460.91, 8,192.64 and 1,565.21

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Solution

The fourth proportional to 5,460.91, 8,192.64 and 1,565.21 is: 2,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.91 : 8,192.64 = 1,565.21 : x
  2. Step 2: Convert to fraction form
    5,460.91/8,192.64 = 1,565.21/x
  3. Step 3: Cross multiply
    5,460.91x = 8,192.64 × 1,565.21
  4. Step 4: Simplify right side
    5,460.91x = 12,823,202.05
  5. Step 5: Solve for x
    x = 12,823,202.05/5,460.91
  6. Step 6: Final answer
    x = 2,348.18

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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.