Home / 4,021.20-6,030.72-2,730.60

Finding the Fourth Proportional to 4,021.20, 6,030.72 and 2,730.60

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Solution

The fourth proportional to 4,021.20, 6,030.72 and 2,730.60 is: 4,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.20 : 6,030.72 = 2,730.60 : x
  2. Step 2: Convert to fraction form
    4,021.20/6,030.72 = 2,730.60/x
  3. Step 3: Cross multiply
    4,021.20x = 6,030.72 × 2,730.60
  4. Step 4: Simplify right side
    4,021.20x = 16,467,484.03
  5. Step 5: Solve for x
    x = 16,467,484.03/4,021.20
  6. Step 6: Final answer
    x = 4,095.17

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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.