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Finding the Fourth Proportional to 5,851.88, 8,778.54 and 1,955.72

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Solution

The fourth proportional to 5,851.88, 8,778.54 and 1,955.72 is: 2,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.88 : 8,778.54 = 1,955.72 : x
  2. Step 2: Convert to fraction form
    5,851.88/8,778.54 = 1,955.72/x
  3. Step 3: Cross multiply
    5,851.88x = 8,778.54 × 1,955.72
  4. Step 4: Simplify right side
    5,851.88x = 17,168,366.25
  5. Step 5: Solve for x
    x = 17,168,366.25/5,851.88
  6. Step 6: Final answer
    x = 2,933.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.