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Finding the Fourth Proportional to 5,807.16, 8,011.31 and 3,447.93

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Solution

The fourth proportional to 5,807.16, 8,011.31 and 3,447.93 is: 4,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.16 : 8,011.31 = 3,447.93 : x
  2. Step 2: Convert to fraction form
    5,807.16/8,011.31 = 3,447.93/x
  3. Step 3: Cross multiply
    5,807.16x = 8,011.31 × 3,447.93
  4. Step 4: Simplify right side
    5,807.16x = 27,622,436.09
  5. Step 5: Solve for x
    x = 27,622,436.09/5,807.16
  6. Step 6: Final answer
    x = 4,756.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.