Home / 4,385.77-6,579.67-2,999.75

Finding the Fourth Proportional to 4,385.77, 6,579.67 and 2,999.75

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Solution

The fourth proportional to 4,385.77, 6,579.67 and 2,999.75 is: 4,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.77 : 6,579.67 = 2,999.75 : x
  2. Step 2: Convert to fraction form
    4,385.77/6,579.67 = 2,999.75/x
  3. Step 3: Cross multiply
    4,385.77x = 6,579.67 × 2,999.75
  4. Step 4: Simplify right side
    4,385.77x = 19,737,401.01
  5. Step 5: Solve for x
    x = 19,737,401.01/4,385.77
  6. Step 6: Final answer
    x = 4,500.33

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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.