Home / 6,448.44-8,896.80-3,615.42

Finding the Fourth Proportional to 6,448.44, 8,896.80 and 3,615.42

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Solution

The fourth proportional to 6,448.44, 8,896.80 and 3,615.42 is: 4,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.44 : 8,896.80 = 3,615.42 : x
  2. Step 2: Convert to fraction form
    6,448.44/8,896.80 = 3,615.42/x
  3. Step 3: Cross multiply
    6,448.44x = 8,896.80 × 3,615.42
  4. Step 4: Simplify right side
    6,448.44x = 32,165,668.66
  5. Step 5: Solve for x
    x = 32,165,668.66/6,448.44
  6. Step 6: Final answer
    x = 4,988.13

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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.