Home / 4,415.64-6,623.48-1,643.01

Finding the Fourth Proportional to 4,415.64, 6,623.48 and 1,643.01

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Solution

The fourth proportional to 4,415.64, 6,623.48 and 1,643.01 is: 2,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.64 : 6,623.48 = 1,643.01 : x
  2. Step 2: Convert to fraction form
    4,415.64/6,623.48 = 1,643.01/x
  3. Step 3: Cross multiply
    4,415.64x = 6,623.48 × 1,643.01
  4. Step 4: Simplify right side
    4,415.64x = 10,882,435.66
  5. Step 5: Solve for x
    x = 10,882,435.66/4,415.64
  6. Step 6: Final answer
    x = 2,464.52

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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.