Home / 4,128.52-5,693.94-2,800.04

Finding the Fourth Proportional to 4,128.52, 5,693.94 and 2,800.04

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Solution

The fourth proportional to 4,128.52, 5,693.94 and 2,800.04 is: 3,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.52 : 5,693.94 = 2,800.04 : x
  2. Step 2: Convert to fraction form
    4,128.52/5,693.94 = 2,800.04/x
  3. Step 3: Cross multiply
    4,128.52x = 5,693.94 × 2,800.04
  4. Step 4: Simplify right side
    4,128.52x = 15,943,259.76
  5. Step 5: Solve for x
    x = 15,943,259.76/4,128.52
  6. Step 6: Final answer
    x = 3,861.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.