Home / 5,811.04-8,716.48-4,087.36

Finding the Fourth Proportional to 5,811.04, 8,716.48 and 4,087.36

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Solution

The fourth proportional to 5,811.04, 8,716.48 and 4,087.36 is: 6,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.04 : 8,716.48 = 4,087.36 : x
  2. Step 2: Convert to fraction form
    5,811.04/8,716.48 = 4,087.36/x
  3. Step 3: Cross multiply
    5,811.04x = 8,716.48 × 4,087.36
  4. Step 4: Simplify right side
    5,811.04x = 35,627,391.69
  5. Step 5: Solve for x
    x = 35,627,391.69/5,811.04
  6. Step 6: Final answer
    x = 6,130.98

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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.