Home / 5,065.06-6,989.21-2,939.94

Finding the Fourth Proportional to 5,065.06, 6,989.21 and 2,939.94

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Solution

The fourth proportional to 5,065.06, 6,989.21 and 2,939.94 is: 4,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.06 : 6,989.21 = 2,939.94 : x
  2. Step 2: Convert to fraction form
    5,065.06/6,989.21 = 2,939.94/x
  3. Step 3: Cross multiply
    5,065.06x = 6,989.21 × 2,939.94
  4. Step 4: Simplify right side
    5,065.06x = 20,547,858.05
  5. Step 5: Solve for x
    x = 20,547,858.05/5,065.06
  6. Step 6: Final answer
    x = 4,056.78

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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.