Home / 5,744.90-8,619.21-2,821.16

Finding the Fourth Proportional to 5,744.90, 8,619.21 and 2,821.16

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Solution

The fourth proportional to 5,744.90, 8,619.21 and 2,821.16 is: 4,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.90 : 8,619.21 = 2,821.16 : x
  2. Step 2: Convert to fraction form
    5,744.90/8,619.21 = 2,821.16/x
  3. Step 3: Cross multiply
    5,744.90x = 8,619.21 × 2,821.16
  4. Step 4: Simplify right side
    5,744.90x = 24,316,116.81
  5. Step 5: Solve for x
    x = 24,316,116.81/5,744.90
  6. Step 6: Final answer
    x = 4,232.64

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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.