Home / 4,099.40-6,149.88-1,325.33

Finding the Fourth Proportional to 4,099.40, 6,149.88 and 1,325.33

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Solution

The fourth proportional to 4,099.40, 6,149.88 and 1,325.33 is: 1,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.40 : 6,149.88 = 1,325.33 : x
  2. Step 2: Convert to fraction form
    4,099.40/6,149.88 = 1,325.33/x
  3. Step 3: Cross multiply
    4,099.40x = 6,149.88 × 1,325.33
  4. Step 4: Simplify right side
    4,099.40x = 8,150,589.71
  5. Step 5: Solve for x
    x = 8,150,589.71/4,099.40
  6. Step 6: Final answer
    x = 1,988.24

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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.