Home / 4,415.83-6,623.91-1,643.20

Finding the Fourth Proportional to 4,415.83, 6,623.91 and 1,643.20

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Solution

The fourth proportional to 4,415.83, 6,623.91 and 1,643.20 is: 2,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.83 : 6,623.91 = 1,643.20 : x
  2. Step 2: Convert to fraction form
    4,415.83/6,623.91 = 1,643.20/x
  3. Step 3: Cross multiply
    4,415.83x = 6,623.91 × 1,643.20
  4. Step 4: Simplify right side
    4,415.83x = 10,884,408.91
  5. Step 5: Solve for x
    x = 10,884,408.91/4,415.83
  6. Step 6: Final answer
    x = 2,464.86

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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.