Home / 8,969.22-13,455.39-3,045.50

Finding the Fourth Proportional to 8,969.22, 13,455.39 and 3,045.50

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Solution

The fourth proportional to 8,969.22, 13,455.39 and 3,045.50 is: 4,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.22 : 13,455.39 = 3,045.50 : x
  2. Step 2: Convert to fraction form
    8,969.22/13,455.39 = 3,045.50/x
  3. Step 3: Cross multiply
    8,969.22x = 13,455.39 × 3,045.50
  4. Step 4: Simplify right side
    8,969.22x = 40,978,322.97
  5. Step 5: Solve for x
    x = 40,978,322.97/8,969.22
  6. Step 6: Final answer
    x = 4,568.77

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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.