Home / 5,825.86-8,037.13-3,936.76

Finding the Fourth Proportional to 5,825.86, 8,037.13 and 3,936.76

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Solution

The fourth proportional to 5,825.86, 8,037.13 and 3,936.76 is: 5,430.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.86 : 8,037.13 = 3,936.76 : x
  2. Step 2: Convert to fraction form
    5,825.86/8,037.13 = 3,936.76/x
  3. Step 3: Cross multiply
    5,825.86x = 8,037.13 × 3,936.76
  4. Step 4: Simplify right side
    5,825.86x = 31,640,225.35
  5. Step 5: Solve for x
    x = 31,640,225.35/5,825.86
  6. Step 6: Final answer
    x = 5,430.99

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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.