Home / 5,106.14-7,046.28-3,120.02

Finding the Fourth Proportional to 5,106.14, 7,046.28 and 3,120.02

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Solution

The fourth proportional to 5,106.14, 7,046.28 and 3,120.02 is: 4,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.14 : 7,046.28 = 3,120.02 : x
  2. Step 2: Convert to fraction form
    5,106.14/7,046.28 = 3,120.02/x
  3. Step 3: Cross multiply
    5,106.14x = 7,046.28 × 3,120.02
  4. Step 4: Simplify right side
    5,106.14x = 21,984,534.53
  5. Step 5: Solve for x
    x = 21,984,534.53/5,106.14
  6. Step 6: Final answer
    x = 4,305.51

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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.