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Finding the Fourth Proportional to 4,661.03, 6,992.68 and 1,374.08

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Solution

The fourth proportional to 4,661.03, 6,992.68 and 1,374.08 is: 2,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.03 : 6,992.68 = 1,374.08 : x
  2. Step 2: Convert to fraction form
    4,661.03/6,992.68 = 1,374.08/x
  3. Step 3: Cross multiply
    4,661.03x = 6,992.68 × 1,374.08
  4. Step 4: Simplify right side
    4,661.03x = 9,608,505.25
  5. Step 5: Solve for x
    x = 9,608,505.25/4,661.03
  6. Step 6: Final answer
    x = 2,061.46

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Why These Related Problems?

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