Home / 4,021.04-6,030.41-1,387.86

Finding the Fourth Proportional to 4,021.04, 6,030.41 and 1,387.86

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Solution

The fourth proportional to 4,021.04, 6,030.41 and 1,387.86 is: 2,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.04 : 6,030.41 = 1,387.86 : x
  2. Step 2: Convert to fraction form
    4,021.04/6,030.41 = 1,387.86/x
  3. Step 3: Cross multiply
    4,021.04x = 6,030.41 × 1,387.86
  4. Step 4: Simplify right side
    4,021.04x = 8,369,357.88
  5. Step 5: Solve for x
    x = 8,369,357.88/4,021.04
  6. Step 6: Final answer
    x = 2,081.39

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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.