Home / 5,448.06-8,171.28-1,984.50

Finding the Fourth Proportional to 5,448.06, 8,171.28 and 1,984.50

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Solution

The fourth proportional to 5,448.06, 8,171.28 and 1,984.50 is: 2,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.06 : 8,171.28 = 1,984.50 : x
  2. Step 2: Convert to fraction form
    5,448.06/8,171.28 = 1,984.50/x
  3. Step 3: Cross multiply
    5,448.06x = 8,171.28 × 1,984.50
  4. Step 4: Simplify right side
    5,448.06x = 16,215,905.16
  5. Step 5: Solve for x
    x = 16,215,905.16/5,448.06
  6. Step 6: Final answer
    x = 2,976.45

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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.