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Finding the Fourth Proportional to 5,055.53, 6,975.78 and 2,931.41

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Solution

The fourth proportional to 5,055.53, 6,975.78 and 2,931.41 is: 4,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.53 : 6,975.78 = 2,931.41 : x
  2. Step 2: Convert to fraction form
    5,055.53/6,975.78 = 2,931.41/x
  3. Step 3: Cross multiply
    5,055.53x = 6,975.78 × 2,931.41
  4. Step 4: Simplify right side
    5,055.53x = 20,448,836.37
  5. Step 5: Solve for x
    x = 20,448,836.37/5,055.53
  6. Step 6: Final answer
    x = 4,044.85

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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.