Home / 4,284.45-6,425.55-1,818

Finding the Fourth Proportional to 4,284.45, 6,425.55 and 1,818

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Solution

The fourth proportional to 4,284.45, 6,425.55 and 1,818 is: 2,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.45 : 6,425.55 = 1,818 : x
  2. Step 2: Convert to fraction form
    4,284.45/6,425.55 = 1,818/x
  3. Step 3: Cross multiply
    4,284.45x = 6,425.55 × 1,818
  4. Step 4: Simplify right side
    4,284.45x = 11,681,649.90
  5. Step 5: Solve for x
    x = 11,681,649.90/4,284.45
  6. Step 6: Final answer
    x = 2,726.52

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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.