Home / 7,984.36-11,019.54-4,448.44

Finding the Fourth Proportional to 7,984.36, 11,019.54 and 4,448.44

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Solution

The fourth proportional to 7,984.36, 11,019.54 and 4,448.44 is: 6,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.36 : 11,019.54 = 4,448.44 : x
  2. Step 2: Convert to fraction form
    7,984.36/11,019.54 = 4,448.44/x
  3. Step 3: Cross multiply
    7,984.36x = 11,019.54 × 4,448.44
  4. Step 4: Simplify right side
    7,984.36x = 49,019,762.52
  5. Step 5: Solve for x
    x = 49,019,762.52/7,984.36
  6. Step 6: Final answer
    x = 6,139.47

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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.