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Finding the Fourth Proportional to 7,176.60, 9,904.62 and 4,032.78

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Solution

The fourth proportional to 7,176.60, 9,904.62 and 4,032.78 is: 5,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.60 : 9,904.62 = 4,032.78 : x
  2. Step 2: Convert to fraction form
    7,176.60/9,904.62 = 4,032.78/x
  3. Step 3: Cross multiply
    7,176.60x = 9,904.62 × 4,032.78
  4. Step 4: Simplify right side
    7,176.60x = 39,943,153.44
  5. Step 5: Solve for x
    x = 39,943,153.44/7,176.60
  6. Step 6: Final answer
    x = 5,565.75

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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.