Home / 6,519.43-8,996.74-3,535.21

Finding the Fourth Proportional to 6,519.43, 8,996.74 and 3,535.21

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Solution

The fourth proportional to 6,519.43, 8,996.74 and 3,535.21 is: 4,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.43 : 8,996.74 = 3,535.21 : x
  2. Step 2: Convert to fraction form
    6,519.43/8,996.74 = 3,535.21/x
  3. Step 3: Cross multiply
    6,519.43x = 8,996.74 × 3,535.21
  4. Step 4: Simplify right side
    6,519.43x = 31,805,365.22
  5. Step 5: Solve for x
    x = 31,805,365.22/6,519.43
  6. Step 6: Final answer
    x = 4,878.55

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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.