Home / 9,289.93-12,819.26-5,512.45

Finding the Fourth Proportional to 9,289.93, 12,819.26 and 5,512.45

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Solution

The fourth proportional to 9,289.93, 12,819.26 and 5,512.45 is: 7,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.93 : 12,819.26 = 5,512.45 : x
  2. Step 2: Convert to fraction form
    9,289.93/12,819.26 = 5,512.45/x
  3. Step 3: Cross multiply
    9,289.93x = 12,819.26 × 5,512.45
  4. Step 4: Simplify right side
    9,289.93x = 70,665,438.13
  5. Step 5: Solve for x
    x = 70,665,438.13/9,289.93
  6. Step 6: Final answer
    x = 7,606.67

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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.