Home / 4,119.61-5,687.46-2,629.81

Finding the Fourth Proportional to 4,119.61, 5,687.46 and 2,629.81

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Solution

The fourth proportional to 4,119.61, 5,687.46 and 2,629.81 is: 3,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.61 : 5,687.46 = 2,629.81 : x
  2. Step 2: Convert to fraction form
    4,119.61/5,687.46 = 2,629.81/x
  3. Step 3: Cross multiply
    4,119.61x = 5,687.46 × 2,629.81
  4. Step 4: Simplify right side
    4,119.61x = 14,956,939.18
  5. Step 5: Solve for x
    x = 14,956,939.18/4,119.61
  6. Step 6: Final answer
    x = 3,630.67

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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.