Home / 5,381.48-8,069.70-2,260.82

Finding the Fourth Proportional to 5,381.48, 8,069.70 and 2,260.82

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Solution

The fourth proportional to 5,381.48, 8,069.70 and 2,260.82 is: 3,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.48 : 8,069.70 = 2,260.82 : x
  2. Step 2: Convert to fraction form
    5,381.48/8,069.70 = 2,260.82/x
  3. Step 3: Cross multiply
    5,381.48x = 8,069.70 × 2,260.82
  4. Step 4: Simplify right side
    5,381.48x = 18,244,139.15
  5. Step 5: Solve for x
    x = 18,244,139.15/5,381.48
  6. Step 6: Final answer
    x = 3,390.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.