Home / 7,682.28-11,520.16-3,237.05

Finding the Fourth Proportional to 7,682.28, 11,520.16 and 3,237.05

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Solution

The fourth proportional to 7,682.28, 11,520.16 and 3,237.05 is: 4,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.28 : 11,520.16 = 3,237.05 : x
  2. Step 2: Convert to fraction form
    7,682.28/11,520.16 = 3,237.05/x
  3. Step 3: Cross multiply
    7,682.28x = 11,520.16 × 3,237.05
  4. Step 4: Simplify right side
    7,682.28x = 37,291,333.93
  5. Step 5: Solve for x
    x = 37,291,333.93/7,682.28
  6. Step 6: Final answer
    x = 4,854.20

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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.