Home / 6,120.03-9,177.21-4,947.15

Finding the Fourth Proportional to 6,120.03, 9,177.21 and 4,947.15

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Solution

The fourth proportional to 6,120.03, 9,177.21 and 4,947.15 is: 7,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.03 : 9,177.21 = 4,947.15 : x
  2. Step 2: Convert to fraction form
    6,120.03/9,177.21 = 4,947.15/x
  3. Step 3: Cross multiply
    6,120.03x = 9,177.21 × 4,947.15
  4. Step 4: Simplify right side
    6,120.03x = 45,401,034.45
  5. Step 5: Solve for x
    x = 45,401,034.45/6,120.03
  6. Step 6: Final answer
    x = 7,418.43

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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.