Home / 6,120.05-9,165.49-4,723.20

Finding the Fourth Proportional to 6,120.05, 9,165.49 and 4,723.20

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Solution

The fourth proportional to 6,120.05, 9,165.49 and 4,723.20 is: 7,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.05 : 9,165.49 = 4,723.20 : x
  2. Step 2: Convert to fraction form
    6,120.05/9,165.49 = 4,723.20/x
  3. Step 3: Cross multiply
    6,120.05x = 9,165.49 × 4,723.20
  4. Step 4: Simplify right side
    6,120.05x = 43,290,430.56
  5. Step 5: Solve for x
    x = 43,290,430.56/6,120.05
  6. Step 6: Final answer
    x = 7,073.55

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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.