Home / 6,261.03-8,639.88-3,427.85

Finding the Fourth Proportional to 6,261.03, 8,639.88 and 3,427.85

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Solution

The fourth proportional to 6,261.03, 8,639.88 and 3,427.85 is: 4,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.03 : 8,639.88 = 3,427.85 : x
  2. Step 2: Convert to fraction form
    6,261.03/8,639.88 = 3,427.85/x
  3. Step 3: Cross multiply
    6,261.03x = 8,639.88 × 3,427.85
  4. Step 4: Simplify right side
    6,261.03x = 29,616,212.66
  5. Step 5: Solve for x
    x = 29,616,212.66/6,261.03
  6. Step 6: Final answer
    x = 4,730.25

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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.