Home / 5,690.15-7,852.44-3,172.43

Finding the Fourth Proportional to 5,690.15, 7,852.44 and 3,172.43

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Solution

The fourth proportional to 5,690.15, 7,852.44 and 3,172.43 is: 4,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.15 : 7,852.44 = 3,172.43 : x
  2. Step 2: Convert to fraction form
    5,690.15/7,852.44 = 3,172.43/x
  3. Step 3: Cross multiply
    5,690.15x = 7,852.44 × 3,172.43
  4. Step 4: Simplify right side
    5,690.15x = 24,911,276.97
  5. Step 5: Solve for x
    x = 24,911,276.97/5,690.15
  6. Step 6: Final answer
    x = 4,377.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.