Home / 7,287.23-10,930.86-2,904.73

Finding the Fourth Proportional to 7,287.23, 10,930.86 and 2,904.73

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Solution

The fourth proportional to 7,287.23, 10,930.86 and 2,904.73 is: 4,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.23 : 10,930.86 = 2,904.73 : x
  2. Step 2: Convert to fraction form
    7,287.23/10,930.86 = 2,904.73/x
  3. Step 3: Cross multiply
    7,287.23x = 10,930.86 × 2,904.73
  4. Step 4: Simplify right side
    7,287.23x = 31,751,169.64
  5. Step 5: Solve for x
    x = 31,751,169.64/7,287.23
  6. Step 6: Final answer
    x = 4,357.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.