Home / 7,911.19-11,867.59-2,984.97

Finding the Fourth Proportional to 7,911.19, 11,867.59 and 2,984.97

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Solution

The fourth proportional to 7,911.19, 11,867.59 and 2,984.97 is: 4,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.19 : 11,867.59 = 2,984.97 : x
  2. Step 2: Convert to fraction form
    7,911.19/11,867.59 = 2,984.97/x
  3. Step 3: Cross multiply
    7,911.19x = 11,867.59 × 2,984.97
  4. Step 4: Simplify right side
    7,911.19x = 35,424,400.12
  5. Step 5: Solve for x
    x = 35,424,400.12/7,911.19
  6. Step 6: Final answer
    x = 4,477.76

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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.