Home / 4,515.72-6,231.78-2,653.80

Finding the Fourth Proportional to 4,515.72, 6,231.78 and 2,653.80

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Solution

The fourth proportional to 4,515.72, 6,231.78 and 2,653.80 is: 3,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.72 : 6,231.78 = 2,653.80 : x
  2. Step 2: Convert to fraction form
    4,515.72/6,231.78 = 2,653.80/x
  3. Step 3: Cross multiply
    4,515.72x = 6,231.78 × 2,653.80
  4. Step 4: Simplify right side
    4,515.72x = 16,537,897.76
  5. Step 5: Solve for x
    x = 16,537,897.76/4,515.72
  6. Step 6: Final answer
    x = 3,662.29

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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.