Home / 6,261.85-8,641.35-3,609.22

Finding the Fourth Proportional to 6,261.85, 8,641.35 and 3,609.22

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Solution

The fourth proportional to 6,261.85, 8,641.35 and 3,609.22 is: 4,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.85 : 8,641.35 = 3,609.22 : x
  2. Step 2: Convert to fraction form
    6,261.85/8,641.35 = 3,609.22/x
  3. Step 3: Cross multiply
    6,261.85x = 8,641.35 × 3,609.22
  4. Step 4: Simplify right side
    6,261.85x = 31,188,533.25
  5. Step 5: Solve for x
    x = 31,188,533.25/6,261.85
  6. Step 6: Final answer
    x = 4,980.72

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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.