Home / 4,128.52-6,189.70-2,484.68

Finding the Fourth Proportional to 4,128.52, 6,189.70 and 2,484.68

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Solution

The fourth proportional to 4,128.52, 6,189.70 and 2,484.68 is: 3,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.52 : 6,189.70 = 2,484.68 : x
  2. Step 2: Convert to fraction form
    4,128.52/6,189.70 = 2,484.68/x
  3. Step 3: Cross multiply
    4,128.52x = 6,189.70 × 2,484.68
  4. Step 4: Simplify right side
    4,128.52x = 15,379,423.80
  5. Step 5: Solve for x
    x = 15,379,423.80/4,128.52
  6. Step 6: Final answer
    x = 3,725.17

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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.