Home / 5,257.70-7,259.30-3,269.15

Finding the Fourth Proportional to 5,257.70, 7,259.30 and 3,269.15

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Solution

The fourth proportional to 5,257.70, 7,259.30 and 3,269.15 is: 4,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.70 : 7,259.30 = 3,269.15 : x
  2. Step 2: Convert to fraction form
    5,257.70/7,259.30 = 3,269.15/x
  3. Step 3: Cross multiply
    5,257.70x = 7,259.30 × 3,269.15
  4. Step 4: Simplify right side
    5,257.70x = 23,731,740.60
  5. Step 5: Solve for x
    x = 23,731,740.60/5,257.70
  6. Step 6: Final answer
    x = 4,513.71

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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.