Home / 5,620.74-8,429.94-1,672.02

Finding the Fourth Proportional to 5,620.74, 8,429.94 and 1,672.02

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Solution

The fourth proportional to 5,620.74, 8,429.94 and 1,672.02 is: 2,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.74 : 8,429.94 = 1,672.02 : x
  2. Step 2: Convert to fraction form
    5,620.74/8,429.94 = 1,672.02/x
  3. Step 3: Cross multiply
    5,620.74x = 8,429.94 × 1,672.02
  4. Step 4: Simplify right side
    5,620.74x = 14,095,028.28
  5. Step 5: Solve for x
    x = 14,095,028.28/5,620.74
  6. Step 6: Final answer
    x = 2,507.68

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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.