Home / 5,509.37-8,263.52-1,999.37

Finding the Fourth Proportional to 5,509.37, 8,263.52 and 1,999.37

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Solution

The fourth proportional to 5,509.37, 8,263.52 and 1,999.37 is: 2,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.37 : 8,263.52 = 1,999.37 : x
  2. Step 2: Convert to fraction form
    5,509.37/8,263.52 = 1,999.37/x
  3. Step 3: Cross multiply
    5,509.37x = 8,263.52 × 1,999.37
  4. Step 4: Simplify right side
    5,509.37x = 16,521,823.99
  5. Step 5: Solve for x
    x = 16,521,823.99/5,509.37
  6. Step 6: Final answer
    x = 2,998.86

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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.