Home / 4,428.63-6,645.38-1,657.22

Finding the Fourth Proportional to 4,428.63, 6,645.38 and 1,657.22

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Solution

The fourth proportional to 4,428.63, 6,645.38 and 1,657.22 is: 2,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.63 : 6,645.38 = 1,657.22 : x
  2. Step 2: Convert to fraction form
    4,428.63/6,645.38 = 1,657.22/x
  3. Step 3: Cross multiply
    4,428.63x = 6,645.38 × 1,657.22
  4. Step 4: Simplify right side
    4,428.63x = 11,012,815.13
  5. Step 5: Solve for x
    x = 11,012,815.13/4,428.63
  6. Step 6: Final answer
    x = 2,486.73

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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.