Home / 6,261.97-8,641.53-3,390.73

Finding the Fourth Proportional to 6,261.97, 8,641.53 and 3,390.73

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Solution

The fourth proportional to 6,261.97, 8,641.53 and 3,390.73 is: 4,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.97 : 8,641.53 = 3,390.73 : x
  2. Step 2: Convert to fraction form
    6,261.97/8,641.53 = 3,390.73/x
  3. Step 3: Cross multiply
    6,261.97x = 8,641.53 × 3,390.73
  4. Step 4: Simplify right side
    6,261.97x = 29,301,051.81
  5. Step 5: Solve for x
    x = 29,301,051.81/6,261.97
  6. Step 6: Final answer
    x = 4,679.21

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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.