Home / 4,415.61-6,622.80-1,641.87

Finding the Fourth Proportional to 4,415.61, 6,622.80 and 1,641.87

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Solution

The fourth proportional to 4,415.61, 6,622.80 and 1,641.87 is: 2,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.61 : 6,622.80 = 1,641.87 : x
  2. Step 2: Convert to fraction form
    4,415.61/6,622.80 = 1,641.87/x
  3. Step 3: Cross multiply
    4,415.61x = 6,622.80 × 1,641.87
  4. Step 4: Simplify right side
    4,415.61x = 10,873,776.64
  5. Step 5: Solve for x
    x = 10,873,776.64/4,415.61
  6. Step 6: Final answer
    x = 2,462.58

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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.