Home / 7,387.24-11,052.78-4,102.96

Finding the Fourth Proportional to 7,387.24, 11,052.78 and 4,102.96

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Solution

The fourth proportional to 7,387.24, 11,052.78 and 4,102.96 is: 6,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.24 : 11,052.78 = 4,102.96 : x
  2. Step 2: Convert to fraction form
    7,387.24/11,052.78 = 4,102.96/x
  3. Step 3: Cross multiply
    7,387.24x = 11,052.78 × 4,102.96
  4. Step 4: Simplify right side
    7,387.24x = 45,349,114.23
  5. Step 5: Solve for x
    x = 45,349,114.23/7,387.24
  6. Step 6: Final answer
    x = 6,138.84

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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.