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Finding the Fourth Proportional to 5,796.50, 7,999.17 and 3,312.98

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Solution

The fourth proportional to 5,796.50, 7,999.17 and 3,312.98 is: 4,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,796.50 : 7,999.17 = 3,312.98 : x
  2. Step 2: Convert to fraction form
    5,796.50/7,999.17 = 3,312.98/x
  3. Step 3: Cross multiply
    5,796.50x = 7,999.17 × 3,312.98
  4. Step 4: Simplify right side
    5,796.50x = 26,501,090.23
  5. Step 5: Solve for x
    x = 26,501,090.23/5,796.50
  6. Step 6: Final answer
    x = 4,571.91

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1.5x scale

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.