Home / 5,903.80-8,149.30-3,667.40

Finding the Fourth Proportional to 5,903.80, 8,149.30 and 3,667.40

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Solution

The fourth proportional to 5,903.80, 8,149.30 and 3,667.40 is: 5,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.80 : 8,149.30 = 3,667.40 : x
  2. Step 2: Convert to fraction form
    5,903.80/8,149.30 = 3,667.40/x
  3. Step 3: Cross multiply
    5,903.80x = 8,149.30 × 3,667.40
  4. Step 4: Simplify right side
    5,903.80x = 29,886,742.82
  5. Step 5: Solve for x
    x = 29,886,742.82/5,903.80
  6. Step 6: Final answer
    x = 5,062.29

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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.