Home / 7,984.52-11,018.88-4,399.60

Finding the Fourth Proportional to 7,984.52, 11,018.88 and 4,399.60

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Solution

The fourth proportional to 7,984.52, 11,018.88 and 4,399.60 is: 6,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.52 : 11,018.88 = 4,399.60 : x
  2. Step 2: Convert to fraction form
    7,984.52/11,018.88 = 4,399.60/x
  3. Step 3: Cross multiply
    7,984.52x = 11,018.88 × 4,399.60
  4. Step 4: Simplify right side
    7,984.52x = 48,478,664.45
  5. Step 5: Solve for x
    x = 48,478,664.45/7,984.52
  6. Step 6: Final answer
    x = 6,071.58

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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.