Home / 9,614.64-13,268.22-5,422.90

Finding the Fourth Proportional to 9,614.64, 13,268.22 and 5,422.90

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Solution

The fourth proportional to 9,614.64, 13,268.22 and 5,422.90 is: 7,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,614.64 : 13,268.22 = 5,422.90 : x
  2. Step 2: Convert to fraction form
    9,614.64/13,268.22 = 5,422.90/x
  3. Step 3: Cross multiply
    9,614.64x = 13,268.22 × 5,422.90
  4. Step 4: Simplify right side
    9,614.64x = 71,952,230.24
  5. Step 5: Solve for x
    x = 71,952,230.24/9,614.64
  6. Step 6: Final answer
    x = 7,483.61

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1.5x scale

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.