Home / 7,989.26-11,017.77-5,475.02

Finding the Fourth Proportional to 7,989.26, 11,017.77 and 5,475.02

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Solution

The fourth proportional to 7,989.26, 11,017.77 and 5,475.02 is: 7,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.26 : 11,017.77 = 5,475.02 : x
  2. Step 2: Convert to fraction form
    7,989.26/11,017.77 = 5,475.02/x
  3. Step 3: Cross multiply
    7,989.26x = 11,017.77 × 5,475.02
  4. Step 4: Simplify right side
    7,989.26x = 60,322,511.11
  5. Step 5: Solve for x
    x = 60,322,511.11/7,989.26
  6. Step 6: Final answer
    x = 7,550.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.