Home / 4,913.37-6,780.67-2,896.87

Finding the Fourth Proportional to 4,913.37, 6,780.67 and 2,896.87

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Solution

The fourth proportional to 4,913.37, 6,780.67 and 2,896.87 is: 3,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.37 : 6,780.67 = 2,896.87 : x
  2. Step 2: Convert to fraction form
    4,913.37/6,780.67 = 2,896.87/x
  3. Step 3: Cross multiply
    4,913.37x = 6,780.67 × 2,896.87
  4. Step 4: Simplify right side
    4,913.37x = 19,642,685.60
  5. Step 5: Solve for x
    x = 19,642,685.60/4,913.37
  6. Step 6: Final answer
    x = 3,997.80

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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.