Home / 5,559.68-8,338.88-1,664.08

Finding the Fourth Proportional to 5,559.68, 8,338.88 and 1,664.08

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Solution

The fourth proportional to 5,559.68, 8,338.88 and 1,664.08 is: 2,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.68 : 8,338.88 = 1,664.08 : x
  2. Step 2: Convert to fraction form
    5,559.68/8,338.88 = 1,664.08/x
  3. Step 3: Cross multiply
    5,559.68x = 8,338.88 × 1,664.08
  4. Step 4: Simplify right side
    5,559.68x = 13,876,563.43
  5. Step 5: Solve for x
    x = 13,876,563.43/5,559.68
  6. Step 6: Final answer
    x = 2,495.93

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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.