Home / 6,215.80-8,578.26-3,564.04

Finding the Fourth Proportional to 6,215.80, 8,578.26 and 3,564.04

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Solution

The fourth proportional to 6,215.80, 8,578.26 and 3,564.04 is: 4,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.80 : 8,578.26 = 3,564.04 : x
  2. Step 2: Convert to fraction form
    6,215.80/8,578.26 = 3,564.04/x
  3. Step 3: Cross multiply
    6,215.80x = 8,578.26 × 3,564.04
  4. Step 4: Simplify right side
    6,215.80x = 30,573,261.77
  5. Step 5: Solve for x
    x = 30,573,261.77/6,215.80
  6. Step 6: Final answer
    x = 4,918.64

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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.