Home / 5,509.19-8,262.99-1,811.34

Finding the Fourth Proportional to 5,509.19, 8,262.99 and 1,811.34

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Solution

The fourth proportional to 5,509.19, 8,262.99 and 1,811.34 is: 2,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.19 : 8,262.99 = 1,811.34 : x
  2. Step 2: Convert to fraction form
    5,509.19/8,262.99 = 1,811.34/x
  3. Step 3: Cross multiply
    5,509.19x = 8,262.99 × 1,811.34
  4. Step 4: Simplify right side
    5,509.19x = 14,967,055.97
  5. Step 5: Solve for x
    x = 14,967,055.97/5,509.19
  6. Step 6: Final answer
    x = 2,716.74

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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.