Home / 5,333.20-7,999.16-1,637.98

Finding the Fourth Proportional to 5,333.20, 7,999.16 and 1,637.98

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Solution

The fourth proportional to 5,333.20, 7,999.16 and 1,637.98 is: 2,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.20 : 7,999.16 = 1,637.98 : x
  2. Step 2: Convert to fraction form
    5,333.20/7,999.16 = 1,637.98/x
  3. Step 3: Cross multiply
    5,333.20x = 7,999.16 × 1,637.98
  4. Step 4: Simplify right side
    5,333.20x = 13,102,464.10
  5. Step 5: Solve for x
    x = 13,102,464.10/5,333.20
  6. Step 6: Final answer
    x = 2,456.77

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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.