Home / 4,709.55-6,484.39-3,999.90

Finding the Fourth Proportional to 4,709.55, 6,484.39 and 3,999.90

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Solution

The fourth proportional to 4,709.55, 6,484.39 and 3,999.90 is: 5,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.55 : 6,484.39 = 3,999.90 : x
  2. Step 2: Convert to fraction form
    4,709.55/6,484.39 = 3,999.90/x
  3. Step 3: Cross multiply
    4,709.55x = 6,484.39 × 3,999.90
  4. Step 4: Simplify right side
    4,709.55x = 25,936,911.56
  5. Step 5: Solve for x
    x = 25,936,911.56/4,709.55
  6. Step 6: Final answer
    x = 5,507.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.