Home / 5,370.72-8,056.26-3,817.68

Finding the Fourth Proportional to 5,370.72, 8,056.26 and 3,817.68

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Solution

The fourth proportional to 5,370.72, 8,056.26 and 3,817.68 is: 5,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.72 : 8,056.26 = 3,817.68 : x
  2. Step 2: Convert to fraction form
    5,370.72/8,056.26 = 3,817.68/x
  3. Step 3: Cross multiply
    5,370.72x = 8,056.26 × 3,817.68
  4. Step 4: Simplify right side
    5,370.72x = 30,756,222.68
  5. Step 5: Solve for x
    x = 30,756,222.68/5,370.72
  6. Step 6: Final answer
    x = 5,726.65

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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.