Home / 5,628-8,441.84-1,731.84

Finding the Fourth Proportional to 5,628, 8,441.84 and 1,731.84

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Solution

The fourth proportional to 5,628, 8,441.84 and 1,731.84 is: 2,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628 : 8,441.84 = 1,731.84 : x
  2. Step 2: Convert to fraction form
    5,628/8,441.84 = 1,731.84/x
  3. Step 3: Cross multiply
    5,628x = 8,441.84 × 1,731.84
  4. Step 4: Simplify right side
    5,628x = 14,619,916.19
  5. Step 5: Solve for x
    x = 14,619,916.19/5,628
  6. Step 6: Final answer
    x = 2,597.71

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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.