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Finding the Fourth Proportional to 5,207.06, 7,811.20 and 5,207.06

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Solution

The fourth proportional to 5,207.06, 7,811.20 and 5,207.06 is: 7,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.06 : 7,811.20 = 5,207.06 : x
  2. Step 2: Convert to fraction form
    5,207.06/7,811.20 = 5,207.06/x
  3. Step 3: Cross multiply
    5,207.06x = 7,811.20 × 5,207.06
  4. Step 4: Simplify right side
    5,207.06x = 40,673,387.07
  5. Step 5: Solve for x
    x = 40,673,387.07/5,207.06
  6. Step 6: Final answer
    x = 7,811.20

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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.