Home / 4,939.70-6,816.49-2,950.24

Finding the Fourth Proportional to 4,939.70, 6,816.49 and 2,950.24

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Solution

The fourth proportional to 4,939.70, 6,816.49 and 2,950.24 is: 4,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.70 : 6,816.49 = 2,950.24 : x
  2. Step 2: Convert to fraction form
    4,939.70/6,816.49 = 2,950.24/x
  3. Step 3: Cross multiply
    4,939.70x = 6,816.49 × 2,950.24
  4. Step 4: Simplify right side
    4,939.70x = 20,110,281.46
  5. Step 5: Solve for x
    x = 20,110,281.46/4,939.70
  6. Step 6: Final answer
    x = 4,071.15

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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.