Home / 4,837.80-7,256.70-3,865.80

Finding the Fourth Proportional to 4,837.80, 7,256.70 and 3,865.80

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Solution

The fourth proportional to 4,837.80, 7,256.70 and 3,865.80 is: 5,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.80 : 7,256.70 = 3,865.80 : x
  2. Step 2: Convert to fraction form
    4,837.80/7,256.70 = 3,865.80/x
  3. Step 3: Cross multiply
    4,837.80x = 7,256.70 × 3,865.80
  4. Step 4: Simplify right side
    4,837.80x = 28,052,950.86
  5. Step 5: Solve for x
    x = 28,052,950.86/4,837.80
  6. Step 6: Final answer
    x = 5,798.70

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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.