Home / 9,039.90-13,550.52-3,777.98

Finding the Fourth Proportional to 9,039.90, 13,550.52 and 3,777.98

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Solution

The fourth proportional to 9,039.90, 13,550.52 and 3,777.98 is: 5,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.90 : 13,550.52 = 3,777.98 : x
  2. Step 2: Convert to fraction form
    9,039.90/13,550.52 = 3,777.98/x
  3. Step 3: Cross multiply
    9,039.90x = 13,550.52 × 3,777.98
  4. Step 4: Simplify right side
    9,039.90x = 51,193,539.96
  5. Step 5: Solve for x
    x = 51,193,539.96/9,039.90
  6. Step 6: Final answer
    x = 5,663.06

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1.5x scale

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.