Home / 7,065.09-9,744.57-4,940.73

Finding the Fourth Proportional to 7,065.09, 9,744.57 and 4,940.73

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Solution

The fourth proportional to 7,065.09, 9,744.57 and 4,940.73 is: 6,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.09 : 9,744.57 = 4,940.73 : x
  2. Step 2: Convert to fraction form
    7,065.09/9,744.57 = 4,940.73/x
  3. Step 3: Cross multiply
    7,065.09x = 9,744.57 × 4,940.73
  4. Step 4: Simplify right side
    7,065.09x = 48,145,289.34
  5. Step 5: Solve for x
    x = 48,145,289.34/7,065.09
  6. Step 6: Final answer
    x = 6,814.53

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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.