Home / 4,327.19-6,489.70-1,406.33

Finding the Fourth Proportional to 4,327.19, 6,489.70 and 1,406.33

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Solution

The fourth proportional to 4,327.19, 6,489.70 and 1,406.33 is: 2,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.19 : 6,489.70 = 1,406.33 : x
  2. Step 2: Convert to fraction form
    4,327.19/6,489.70 = 1,406.33/x
  3. Step 3: Cross multiply
    4,327.19x = 6,489.70 × 1,406.33
  4. Step 4: Simplify right side
    4,327.19x = 9,126,659.80
  5. Step 5: Solve for x
    x = 9,126,659.80/4,327.19
  6. Step 6: Final answer
    x = 2,109.14

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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.