Home / 7,370.06-10,170.74-4,012.88

Finding the Fourth Proportional to 7,370.06, 10,170.74 and 4,012.88

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Solution

The fourth proportional to 7,370.06, 10,170.74 and 4,012.88 is: 5,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.06 : 10,170.74 = 4,012.88 : x
  2. Step 2: Convert to fraction form
    7,370.06/10,170.74 = 4,012.88/x
  3. Step 3: Cross multiply
    7,370.06x = 10,170.74 × 4,012.88
  4. Step 4: Simplify right side
    7,370.06x = 40,813,939.07
  5. Step 5: Solve for x
    x = 40,813,939.07/7,370.06
  6. Step 6: Final answer
    x = 5,537.80

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