Home / 4,120.15-6,177.50-2,658.51

Finding the Fourth Proportional to 4,120.15, 6,177.50 and 2,658.51

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Solution

The fourth proportional to 4,120.15, 6,177.50 and 2,658.51 is: 3,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.15 : 6,177.50 = 2,658.51 : x
  2. Step 2: Convert to fraction form
    4,120.15/6,177.50 = 2,658.51/x
  3. Step 3: Cross multiply
    4,120.15x = 6,177.50 × 2,658.51
  4. Step 4: Simplify right side
    4,120.15x = 16,422,945.53
  5. Step 5: Solve for x
    x = 16,422,945.53/4,120.15
  6. Step 6: Final answer
    x = 3,986.01

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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.