Home / 7,176.56-10,765.46-1,982.44

Finding the Fourth Proportional to 7,176.56, 10,765.46 and 1,982.44

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Solution

The fourth proportional to 7,176.56, 10,765.46 and 1,982.44 is: 2,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.56 : 10,765.46 = 1,982.44 : x
  2. Step 2: Convert to fraction form
    7,176.56/10,765.46 = 1,982.44/x
  3. Step 3: Cross multiply
    7,176.56x = 10,765.46 × 1,982.44
  4. Step 4: Simplify right side
    7,176.56x = 21,341,814.78
  5. Step 5: Solve for x
    x = 21,341,814.78/7,176.56
  6. Step 6: Final answer
    x = 2,973.82

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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.