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Finding the Fourth Proportional to 5,795.15, 8,681.12 and 2,670.87

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Solution

The fourth proportional to 5,795.15, 8,681.12 and 2,670.87 is: 4,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.15 : 8,681.12 = 2,670.87 : x
  2. Step 2: Convert to fraction form
    5,795.15/8,681.12 = 2,670.87/x
  3. Step 3: Cross multiply
    5,795.15x = 8,681.12 × 2,670.87
  4. Step 4: Simplify right side
    5,795.15x = 23,186,187.21
  5. Step 5: Solve for x
    x = 23,186,187.21/5,795.15
  6. Step 6: Final answer
    x = 4,000.97

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Why These Related Problems?

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