Home / 4,349.70-6,519.08-3,999.78

Finding the Fourth Proportional to 4,349.70, 6,519.08 and 3,999.78

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Solution

The fourth proportional to 4,349.70, 6,519.08 and 3,999.78 is: 5,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,349.70 : 6,519.08 = 3,999.78 : x
  2. Step 2: Convert to fraction form
    4,349.70/6,519.08 = 3,999.78/x
  3. Step 3: Cross multiply
    4,349.70x = 6,519.08 × 3,999.78
  4. Step 4: Simplify right side
    4,349.70x = 26,074,895.80
  5. Step 5: Solve for x
    x = 26,074,895.80/4,349.70
  6. Step 6: Final answer
    x = 5,994.64

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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.