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Finding the Fourth Proportional to 9,157.96, 12,638.26 and 5,525.02

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Solution

The fourth proportional to 9,157.96, 12,638.26 and 5,525.02 is: 7,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.96 : 12,638.26 = 5,525.02 : x
  2. Step 2: Convert to fraction form
    9,157.96/12,638.26 = 5,525.02/x
  3. Step 3: Cross multiply
    9,157.96x = 12,638.26 × 5,525.02
  4. Step 4: Simplify right side
    9,157.96x = 69,826,639.27
  5. Step 5: Solve for x
    x = 69,826,639.27/9,157.96
  6. Step 6: Final answer
    x = 7,624.69

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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.