Home / 4,128.68-6,177.50-2,456.65

Finding the Fourth Proportional to 4,128.68, 6,177.50 and 2,456.65

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Solution

The fourth proportional to 4,128.68, 6,177.50 and 2,456.65 is: 3,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.68 : 6,177.50 = 2,456.65 : x
  2. Step 2: Convert to fraction form
    4,128.68/6,177.50 = 2,456.65/x
  3. Step 3: Cross multiply
    4,128.68x = 6,177.50 × 2,456.65
  4. Step 4: Simplify right side
    4,128.68x = 15,175,973.84
  5. Step 5: Solve for x
    x = 15,175,973.84/4,128.68
  6. Step 6: Final answer
    x = 3,675.74

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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.