Home / 9,289.44-12,819.60-5,097.84

Finding the Fourth Proportional to 9,289.44, 12,819.60 and 5,097.84

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Solution

The fourth proportional to 9,289.44, 12,819.60 and 5,097.84 is: 7,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.44 : 12,819.60 = 5,097.84 : x
  2. Step 2: Convert to fraction form
    9,289.44/12,819.60 = 5,097.84/x
  3. Step 3: Cross multiply
    9,289.44x = 12,819.60 × 5,097.84
  4. Step 4: Simplify right side
    9,289.44x = 65,352,269.66
  5. Step 5: Solve for x
    x = 65,352,269.66/9,289.44
  6. Step 6: Final answer
    x = 7,035.11

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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.