Home / 9,099.22-12,556.25-5,119.57

Finding the Fourth Proportional to 9,099.22, 12,556.25 and 5,119.57

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Solution

The fourth proportional to 9,099.22, 12,556.25 and 5,119.57 is: 7,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.22 : 12,556.25 = 5,119.57 : x
  2. Step 2: Convert to fraction form
    9,099.22/12,556.25 = 5,119.57/x
  3. Step 3: Cross multiply
    9,099.22x = 12,556.25 × 5,119.57
  4. Step 4: Simplify right side
    9,099.22x = 64,282,600.81
  5. Step 5: Solve for x
    x = 64,282,600.81/9,099.22
  6. Step 6: Final answer
    x = 7,064.63

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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.