Home / 4,013.67-6,018.36-1,821.21

Finding the Fourth Proportional to 4,013.67, 6,018.36 and 1,821.21

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Solution

The fourth proportional to 4,013.67, 6,018.36 and 1,821.21 is: 2,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.67 : 6,018.36 = 1,821.21 : x
  2. Step 2: Convert to fraction form
    4,013.67/6,018.36 = 1,821.21/x
  3. Step 3: Cross multiply
    4,013.67x = 6,018.36 × 1,821.21
  4. Step 4: Simplify right side
    4,013.67x = 10,960,697.42
  5. Step 5: Solve for x
    x = 10,960,697.42/4,013.67
  6. Step 6: Final answer
    x = 2,730.84

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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.