Home / 5,539.89-8,315.48-2,768.55

Finding the Fourth Proportional to 5,539.89, 8,315.48 and 2,768.55

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Solution

The fourth proportional to 5,539.89, 8,315.48 and 2,768.55 is: 4,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.89 : 8,315.48 = 2,768.55 : x
  2. Step 2: Convert to fraction form
    5,539.89/8,315.48 = 2,768.55/x
  3. Step 3: Cross multiply
    5,539.89x = 8,315.48 × 2,768.55
  4. Step 4: Simplify right side
    5,539.89x = 23,021,808.31
  5. Step 5: Solve for x
    x = 23,021,808.31/5,539.89
  6. Step 6: Final answer
    x = 4,155.64

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1.5x scale

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.