Home / 4,518.89-6,769.78-2,664.50

Finding the Fourth Proportional to 4,518.89, 6,769.78 and 2,664.50

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Solution

The fourth proportional to 4,518.89, 6,769.78 and 2,664.50 is: 3,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.89 : 6,769.78 = 2,664.50 : x
  2. Step 2: Convert to fraction form
    4,518.89/6,769.78 = 2,664.50/x
  3. Step 3: Cross multiply
    4,518.89x = 6,769.78 × 2,664.50
  4. Step 4: Simplify right side
    4,518.89x = 18,038,038.30
  5. Step 5: Solve for x
    x = 18,038,038.30/4,518.89
  6. Step 6: Final answer
    x = 3,991.70

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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.