Home / 5,618.09-8,420.42-2,612.06

Finding the Fourth Proportional to 5,618.09, 8,420.42 and 2,612.06

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Solution

The fourth proportional to 5,618.09, 8,420.42 and 2,612.06 is: 3,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.09 : 8,420.42 = 2,612.06 : x
  2. Step 2: Convert to fraction form
    5,618.09/8,420.42 = 2,612.06/x
  3. Step 3: Cross multiply
    5,618.09x = 8,420.42 × 2,612.06
  4. Step 4: Simplify right side
    5,618.09x = 21,994,669.85
  5. Step 5: Solve for x
    x = 21,994,669.85/5,618.09
  6. Step 6: Final answer
    x = 3,914.97

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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.