Home / 7,984.56-11,018.70-4,448

Finding the Fourth Proportional to 7,984.56, 11,018.70 and 4,448

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Solution

The fourth proportional to 7,984.56, 11,018.70 and 4,448 is: 6,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.56 : 11,018.70 = 4,448 : x
  2. Step 2: Convert to fraction form
    7,984.56/11,018.70 = 4,448/x
  3. Step 3: Cross multiply
    7,984.56x = 11,018.70 × 4,448
  4. Step 4: Simplify right side
    7,984.56x = 49,011,177.60
  5. Step 5: Solve for x
    x = 49,011,177.60/7,984.56
  6. Step 6: Final answer
    x = 6,138.24

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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.