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Finding the Fourth Proportional to 5,268.70, 7,268.07 and 3,925.72

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Solution

The fourth proportional to 5,268.70, 7,268.07 and 3,925.72 is: 5,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.70 : 7,268.07 = 3,925.72 : x
  2. Step 2: Convert to fraction form
    5,268.70/7,268.07 = 3,925.72/x
  3. Step 3: Cross multiply
    5,268.70x = 7,268.07 × 3,925.72
  4. Step 4: Simplify right side
    5,268.70x = 28,532,407.76
  5. Step 5: Solve for x
    x = 28,532,407.76/5,268.70
  6. Step 6: Final answer
    x = 5,415.46

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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.