Home / 4,615.29-6,912.61-2,146.41

Finding the Fourth Proportional to 4,615.29, 6,912.61 and 2,146.41

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Solution

The fourth proportional to 4,615.29, 6,912.61 and 2,146.41 is: 3,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.29 : 6,912.61 = 2,146.41 : x
  2. Step 2: Convert to fraction form
    4,615.29/6,912.61 = 2,146.41/x
  3. Step 3: Cross multiply
    4,615.29x = 6,912.61 × 2,146.41
  4. Step 4: Simplify right side
    4,615.29x = 14,837,289.86
  5. Step 5: Solve for x
    x = 14,837,289.86/4,615.29
  6. Step 6: Final answer
    x = 3,214.81

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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.