Home / 6,444.54-8,900.46-5,189.73

Finding the Fourth Proportional to 6,444.54, 8,900.46 and 5,189.73

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Solution

The fourth proportional to 6,444.54, 8,900.46 and 5,189.73 is: 7,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.54 : 8,900.46 = 5,189.73 : x
  2. Step 2: Convert to fraction form
    6,444.54/8,900.46 = 5,189.73/x
  3. Step 3: Cross multiply
    6,444.54x = 8,900.46 × 5,189.73
  4. Step 4: Simplify right side
    6,444.54x = 46,190,984.28
  5. Step 5: Solve for x
    x = 46,190,984.28/6,444.54
  6. Step 6: Final answer
    x = 7,167.46

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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.