Home / 7,021.40-10,519.92-5,373.05

Finding the Fourth Proportional to 7,021.40, 10,519.92 and 5,373.05

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Solution

The fourth proportional to 7,021.40, 10,519.92 and 5,373.05 is: 8,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.40 : 10,519.92 = 5,373.05 : x
  2. Step 2: Convert to fraction form
    7,021.40/10,519.92 = 5,373.05/x
  3. Step 3: Cross multiply
    7,021.40x = 10,519.92 × 5,373.05
  4. Step 4: Simplify right side
    7,021.40x = 56,524,003.56
  5. Step 5: Solve for x
    x = 56,524,003.56/7,021.40
  6. Step 6: Final answer
    x = 8,050.25

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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.