Home / 4,609.79-6,361.45-2,620.21

Finding the Fourth Proportional to 4,609.79, 6,361.45 and 2,620.21

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Solution

The fourth proportional to 4,609.79, 6,361.45 and 2,620.21 is: 3,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.79 : 6,361.45 = 2,620.21 : x
  2. Step 2: Convert to fraction form
    4,609.79/6,361.45 = 2,620.21/x
  3. Step 3: Cross multiply
    4,609.79x = 6,361.45 × 2,620.21
  4. Step 4: Simplify right side
    4,609.79x = 16,668,348.23
  5. Step 5: Solve for x
    x = 16,668,348.23/4,609.79
  6. Step 6: Final answer
    x = 3,615.86

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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.