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Finding the Fourth Proportional to 5,248.51, 7,242.93 and 2,890.63

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Solution

The fourth proportional to 5,248.51, 7,242.93 and 2,890.63 is: 3,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.51 : 7,242.93 = 2,890.63 : x
  2. Step 2: Convert to fraction form
    5,248.51/7,242.93 = 2,890.63/x
  3. Step 3: Cross multiply
    5,248.51x = 7,242.93 × 2,890.63
  4. Step 4: Simplify right side
    5,248.51x = 20,936,630.75
  5. Step 5: Solve for x
    x = 20,936,630.75/5,248.51
  6. Step 6: Final answer
    x = 3,989.06

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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.