Home / 4,418.93-6,623.53-1,820.45

Finding the Fourth Proportional to 4,418.93, 6,623.53 and 1,820.45

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Solution

The fourth proportional to 4,418.93, 6,623.53 and 1,820.45 is: 2,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.93 : 6,623.53 = 1,820.45 : x
  2. Step 2: Convert to fraction form
    4,418.93/6,623.53 = 1,820.45/x
  3. Step 3: Cross multiply
    4,418.93x = 6,623.53 × 1,820.45
  4. Step 4: Simplify right side
    4,418.93x = 12,057,767.52
  5. Step 5: Solve for x
    x = 12,057,767.52/4,418.93
  6. Step 6: Final answer
    x = 2,728.67

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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.