Home / 9,289.54-12,819.60-5,040.62

Finding the Fourth Proportional to 9,289.54, 12,819.60 and 5,040.62

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Solution

The fourth proportional to 9,289.54, 12,819.60 and 5,040.62 is: 6,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.54 : 12,819.60 = 5,040.62 : x
  2. Step 2: Convert to fraction form
    9,289.54/12,819.60 = 5,040.62/x
  3. Step 3: Cross multiply
    9,289.54x = 12,819.60 × 5,040.62
  4. Step 4: Simplify right side
    9,289.54x = 64,618,642.85
  5. Step 5: Solve for x
    x = 64,618,642.85/9,289.54
  6. Step 6: Final answer
    x = 6,956.07

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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.