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Finding the Fourth Proportional to 7,157.04, 9,877.95 and 4,174.62

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Solution

The fourth proportional to 7,157.04, 9,877.95 and 4,174.62 is: 5,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.04 : 9,877.95 = 4,174.62 : x
  2. Step 2: Convert to fraction form
    7,157.04/9,877.95 = 4,174.62/x
  3. Step 3: Cross multiply
    7,157.04x = 9,877.95 × 4,174.62
  4. Step 4: Simplify right side
    7,157.04x = 41,236,687.63
  5. Step 5: Solve for x
    x = 41,236,687.63/7,157.04
  6. Step 6: Final answer
    x = 5,761.70

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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.