Home / 5,558.12-8,329.77-2,742.65

Finding the Fourth Proportional to 5,558.12, 8,329.77 and 2,742.65

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Solution

The fourth proportional to 5,558.12, 8,329.77 and 2,742.65 is: 4,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.12 : 8,329.77 = 2,742.65 : x
  2. Step 2: Convert to fraction form
    5,558.12/8,329.77 = 2,742.65/x
  3. Step 3: Cross multiply
    5,558.12x = 8,329.77 × 2,742.65
  4. Step 4: Simplify right side
    5,558.12x = 22,845,643.69
  5. Step 5: Solve for x
    x = 22,845,643.69/5,558.12
  6. Step 6: Final answer
    x = 4,110.32

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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.