Home / 5,509.04-8,262.75-1,811.12

Finding the Fourth Proportional to 5,509.04, 8,262.75 and 1,811.12

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Solution

The fourth proportional to 5,509.04, 8,262.75 and 1,811.12 is: 2,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.04 : 8,262.75 = 1,811.12 : x
  2. Step 2: Convert to fraction form
    5,509.04/8,262.75 = 1,811.12/x
  3. Step 3: Cross multiply
    5,509.04x = 8,262.75 × 1,811.12
  4. Step 4: Simplify right side
    5,509.04x = 14,964,831.78
  5. Step 5: Solve for x
    x = 14,964,831.78/5,509.04
  6. Step 6: Final answer
    x = 2,716.41

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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.