Home / 4,659.45-6,986.76-1,372.11

Finding the Fourth Proportional to 4,659.45, 6,986.76 and 1,372.11

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Solution

The fourth proportional to 4,659.45, 6,986.76 and 1,372.11 is: 2,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.45 : 6,986.76 = 1,372.11 : x
  2. Step 2: Convert to fraction form
    4,659.45/6,986.76 = 1,372.11/x
  3. Step 3: Cross multiply
    4,659.45x = 6,986.76 × 1,372.11
  4. Step 4: Simplify right side
    4,659.45x = 9,586,571.92
  5. Step 5: Solve for x
    x = 9,586,571.92/4,659.45
  6. Step 6: Final answer
    x = 2,057.45

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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.