Home / 4,914.37-6,780.92-2,869.38

Finding the Fourth Proportional to 4,914.37, 6,780.92 and 2,869.38

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Solution

The fourth proportional to 4,914.37, 6,780.92 and 2,869.38 is: 3,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.37 : 6,780.92 = 2,869.38 : x
  2. Step 2: Convert to fraction form
    4,914.37/6,780.92 = 2,869.38/x
  3. Step 3: Cross multiply
    4,914.37x = 6,780.92 × 2,869.38
  4. Step 4: Simplify right side
    4,914.37x = 19,457,075.34
  5. Step 5: Solve for x
    x = 19,457,075.34/4,914.37
  6. Step 6: Final answer
    x = 3,959.22

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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.