Home / 5,643.74-8,457.55-3,173.38

Finding the Fourth Proportional to 5,643.74, 8,457.55 and 3,173.38

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Solution

The fourth proportional to 5,643.74, 8,457.55 and 3,173.38 is: 4,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.74 : 8,457.55 = 3,173.38 : x
  2. Step 2: Convert to fraction form
    5,643.74/8,457.55 = 3,173.38/x
  3. Step 3: Cross multiply
    5,643.74x = 8,457.55 × 3,173.38
  4. Step 4: Simplify right side
    5,643.74x = 26,838,990.94
  5. Step 5: Solve for x
    x = 26,838,990.94/5,643.74
  6. Step 6: Final answer
    x = 4,755.53

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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.