Home / 5,409.12-8,110.62-1,710.66

Finding the Fourth Proportional to 5,409.12, 8,110.62 and 1,710.66

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Solution

The fourth proportional to 5,409.12, 8,110.62 and 1,710.66 is: 2,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.12 : 8,110.62 = 1,710.66 : x
  2. Step 2: Convert to fraction form
    5,409.12/8,110.62 = 1,710.66/x
  3. Step 3: Cross multiply
    5,409.12x = 8,110.62 × 1,710.66
  4. Step 4: Simplify right side
    5,409.12x = 13,874,513.21
  5. Step 5: Solve for x
    x = 13,874,513.21/5,409.12
  6. Step 6: Final answer
    x = 2,565.02

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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.