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Finding the Fourth Proportional to 5,719.93, 8,580.70 and 1,771.51

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Solution

The fourth proportional to 5,719.93, 8,580.70 and 1,771.51 is: 2,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.93 : 8,580.70 = 1,771.51 : x
  2. Step 2: Convert to fraction form
    5,719.93/8,580.70 = 1,771.51/x
  3. Step 3: Cross multiply
    5,719.93x = 8,580.70 × 1,771.51
  4. Step 4: Simplify right side
    5,719.93x = 15,200,795.86
  5. Step 5: Solve for x
    x = 15,200,795.86/5,719.93
  6. Step 6: Final answer
    x = 2,657.51

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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.