Home / 4,069.99-5,615.68-2,653.55

Finding the Fourth Proportional to 4,069.99, 5,615.68 and 2,653.55

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Solution

The fourth proportional to 4,069.99, 5,615.68 and 2,653.55 is: 3,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.99 : 5,615.68 = 2,653.55 : x
  2. Step 2: Convert to fraction form
    4,069.99/5,615.68 = 2,653.55/x
  3. Step 3: Cross multiply
    4,069.99x = 5,615.68 × 2,653.55
  4. Step 4: Simplify right side
    4,069.99x = 14,901,487.66
  5. Step 5: Solve for x
    x = 14,901,487.66/4,069.99
  6. Step 6: Final answer
    x = 3,661.31

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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.