Home / 4,021.32-6,026.58-1,421.76

Finding the Fourth Proportional to 4,021.32, 6,026.58 and 1,421.76

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Solution

The fourth proportional to 4,021.32, 6,026.58 and 1,421.76 is: 2,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.32 : 6,026.58 = 1,421.76 : x
  2. Step 2: Convert to fraction form
    4,021.32/6,026.58 = 1,421.76/x
  3. Step 3: Cross multiply
    4,021.32x = 6,026.58 × 1,421.76
  4. Step 4: Simplify right side
    4,021.32x = 8,568,350.38
  5. Step 5: Solve for x
    x = 8,568,350.38/4,021.32
  6. Step 6: Final answer
    x = 2,130.73

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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.