Home / 5,620.02-8,427.41-1,669.83

Finding the Fourth Proportional to 5,620.02, 8,427.41 and 1,669.83

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Solution

The fourth proportional to 5,620.02, 8,427.41 and 1,669.83 is: 2,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.02 : 8,427.41 = 1,669.83 : x
  2. Step 2: Convert to fraction form
    5,620.02/8,427.41 = 1,669.83/x
  3. Step 3: Cross multiply
    5,620.02x = 8,427.41 × 1,669.83
  4. Step 4: Simplify right side
    5,620.02x = 14,072,346.21
  5. Step 5: Solve for x
    x = 14,072,346.21/5,620.02
  6. Step 6: Final answer
    x = 2,503.97

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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.