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Finding the Fourth Proportional to 7,695.45, 11,543.42 and 2,430.52

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Solution

The fourth proportional to 7,695.45, 11,543.42 and 2,430.52 is: 3,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.45 : 11,543.42 = 2,430.52 : x
  2. Step 2: Convert to fraction form
    7,695.45/11,543.42 = 2,430.52/x
  3. Step 3: Cross multiply
    7,695.45x = 11,543.42 × 2,430.52
  4. Step 4: Simplify right side
    7,695.45x = 28,056,513.18
  5. Step 5: Solve for x
    x = 28,056,513.18/7,695.45
  6. Step 6: Final answer
    x = 3,645.86

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