Home / 9,098.64-12,556.44-5,321.22

Finding the Fourth Proportional to 9,098.64, 12,556.44 and 5,321.22

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Solution

The fourth proportional to 9,098.64, 12,556.44 and 5,321.22 is: 7,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.64 : 12,556.44 = 5,321.22 : x
  2. Step 2: Convert to fraction form
    9,098.64/12,556.44 = 5,321.22/x
  3. Step 3: Cross multiply
    9,098.64x = 12,556.44 × 5,321.22
  4. Step 4: Simplify right side
    9,098.64x = 66,815,579.66
  5. Step 5: Solve for x
    x = 66,815,579.66/9,098.64
  6. Step 6: Final answer
    x = 7,343.47

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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.