Home / 4,743.10-7,118.70-2,114.65

Finding the Fourth Proportional to 4,743.10, 7,118.70 and 2,114.65

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Solution

The fourth proportional to 4,743.10, 7,118.70 and 2,114.65 is: 3,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.10 : 7,118.70 = 2,114.65 : x
  2. Step 2: Convert to fraction form
    4,743.10/7,118.70 = 2,114.65/x
  3. Step 3: Cross multiply
    4,743.10x = 7,118.70 × 2,114.65
  4. Step 4: Simplify right side
    4,743.10x = 15,053,558.96
  5. Step 5: Solve for x
    x = 15,053,558.96/4,743.10
  6. Step 6: Final answer
    x = 3,173.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.