Home / 4,389.72-6,059.94-2,820.48

Finding the Fourth Proportional to 4,389.72, 6,059.94 and 2,820.48

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Solution

The fourth proportional to 4,389.72, 6,059.94 and 2,820.48 is: 3,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.72 : 6,059.94 = 2,820.48 : x
  2. Step 2: Convert to fraction form
    4,389.72/6,059.94 = 2,820.48/x
  3. Step 3: Cross multiply
    4,389.72x = 6,059.94 × 2,820.48
  4. Step 4: Simplify right side
    4,389.72x = 17,091,939.57
  5. Step 5: Solve for x
    x = 17,091,939.57/4,389.72
  6. Step 6: Final answer
    x = 3,893.63

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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.