Home / 5,281.22-7,922.69-1,994.60

Finding the Fourth Proportional to 5,281.22, 7,922.69 and 1,994.60

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Solution

The fourth proportional to 5,281.22, 7,922.69 and 1,994.60 is: 2,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.22 : 7,922.69 = 1,994.60 : x
  2. Step 2: Convert to fraction form
    5,281.22/7,922.69 = 1,994.60/x
  3. Step 3: Cross multiply
    5,281.22x = 7,922.69 × 1,994.60
  4. Step 4: Simplify right side
    5,281.22x = 15,802,597.47
  5. Step 5: Solve for x
    x = 15,802,597.47/5,281.22
  6. Step 6: Final answer
    x = 2,992.22

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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.