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Finding the Fourth Proportional to 5,998.99, 8,279.68 and 3,762.80

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Solution

The fourth proportional to 5,998.99, 8,279.68 and 3,762.80 is: 5,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.99 : 8,279.68 = 3,762.80 : x
  2. Step 2: Convert to fraction form
    5,998.99/8,279.68 = 3,762.80/x
  3. Step 3: Cross multiply
    5,998.99x = 8,279.68 × 3,762.80
  4. Step 4: Simplify right side
    5,998.99x = 31,154,779.90
  5. Step 5: Solve for x
    x = 31,154,779.90/5,998.99
  6. Step 6: Final answer
    x = 5,193.34

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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.