Home / 4,385.55-6,579.41-3,089.55

Finding the Fourth Proportional to 4,385.55, 6,579.41 and 3,089.55

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Solution

The fourth proportional to 4,385.55, 6,579.41 and 3,089.55 is: 4,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.55 : 6,579.41 = 3,089.55 : x
  2. Step 2: Convert to fraction form
    4,385.55/6,579.41 = 3,089.55/x
  3. Step 3: Cross multiply
    4,385.55x = 6,579.41 × 3,089.55
  4. Step 4: Simplify right side
    4,385.55x = 20,327,400.72
  5. Step 5: Solve for x
    x = 20,327,400.72/4,385.55
  6. Step 6: Final answer
    x = 4,635.09

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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.