Home / 6,261.68-8,639.01-3,609.03

Finding the Fourth Proportional to 6,261.68, 8,639.01 and 3,609.03

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Solution

The fourth proportional to 6,261.68, 8,639.01 and 3,609.03 is: 4,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.68 : 8,639.01 = 3,609.03 : x
  2. Step 2: Convert to fraction form
    6,261.68/8,639.01 = 3,609.03/x
  3. Step 3: Cross multiply
    6,261.68x = 8,639.01 × 3,609.03
  4. Step 4: Simplify right side
    6,261.68x = 31,178,427.40
  5. Step 5: Solve for x
    x = 31,178,427.40/6,261.68
  6. Step 6: Final answer
    x = 4,979.25

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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.