Home / 4,199.13-6,298.70-1,425.81

Finding the Fourth Proportional to 4,199.13, 6,298.70 and 1,425.81

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Solution

The fourth proportional to 4,199.13, 6,298.70 and 1,425.81 is: 2,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.13 : 6,298.70 = 1,425.81 : x
  2. Step 2: Convert to fraction form
    4,199.13/6,298.70 = 1,425.81/x
  3. Step 3: Cross multiply
    4,199.13x = 6,298.70 × 1,425.81
  4. Step 4: Simplify right side
    4,199.13x = 8,980,742.32
  5. Step 5: Solve for x
    x = 8,980,742.32/4,199.13
  6. Step 6: Final answer
    x = 2,138.72

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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.