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Finding the Fourth Proportional to 5,078.32, 7,008.08 and 3,088.86

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Solution

The fourth proportional to 5,078.32, 7,008.08 and 3,088.86 is: 4,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.32 : 7,008.08 = 3,088.86 : x
  2. Step 2: Convert to fraction form
    5,078.32/7,008.08 = 3,088.86/x
  3. Step 3: Cross multiply
    5,078.32x = 7,008.08 × 3,088.86
  4. Step 4: Simplify right side
    5,078.32x = 21,646,977.99
  5. Step 5: Solve for x
    x = 21,646,977.99/5,078.32
  6. Step 6: Final answer
    x = 4,262.63

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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.