Home / 9,289.46-12,819.80-5,097.71

Finding the Fourth Proportional to 9,289.46, 12,819.80 and 5,097.71

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Solution

The fourth proportional to 9,289.46, 12,819.80 and 5,097.71 is: 7,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.46 : 12,819.80 = 5,097.71 : x
  2. Step 2: Convert to fraction form
    9,289.46/12,819.80 = 5,097.71/x
  3. Step 3: Cross multiply
    9,289.46x = 12,819.80 × 5,097.71
  4. Step 4: Simplify right side
    9,289.46x = 65,351,622.66
  5. Step 5: Solve for x
    x = 65,351,622.66/9,289.46
  6. Step 6: Final answer
    x = 7,035.03

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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.