Home / 7,076.08-10,614.20-2,145.68

Finding the Fourth Proportional to 7,076.08, 10,614.20 and 2,145.68

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Solution

The fourth proportional to 7,076.08, 10,614.20 and 2,145.68 is: 3,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.08 : 10,614.20 = 2,145.68 : x
  2. Step 2: Convert to fraction form
    7,076.08/10,614.20 = 2,145.68/x
  3. Step 3: Cross multiply
    7,076.08x = 10,614.20 × 2,145.68
  4. Step 4: Simplify right side
    7,076.08x = 22,774,676.66
  5. Step 5: Solve for x
    x = 22,774,676.66/7,076.08
  6. Step 6: Final answer
    x = 3,218.54

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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.