Home / 5,379.84-8,065.76-2,260.76

Finding the Fourth Proportional to 5,379.84, 8,065.76 and 2,260.76

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Solution

The fourth proportional to 5,379.84, 8,065.76 and 2,260.76 is: 3,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.84 : 8,065.76 = 2,260.76 : x
  2. Step 2: Convert to fraction form
    5,379.84/8,065.76 = 2,260.76/x
  3. Step 3: Cross multiply
    5,379.84x = 8,065.76 × 2,260.76
  4. Step 4: Simplify right side
    5,379.84x = 18,234,747.58
  5. Step 5: Solve for x
    x = 18,234,747.58/5,379.84
  6. Step 6: Final answer
    x = 3,389.46

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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.