Home / 4,390.36-6,057.12-2,819.32

Finding the Fourth Proportional to 4,390.36, 6,057.12 and 2,819.32

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Solution

The fourth proportional to 4,390.36, 6,057.12 and 2,819.32 is: 3,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.36 : 6,057.12 = 2,819.32 : x
  2. Step 2: Convert to fraction form
    4,390.36/6,057.12 = 2,819.32/x
  3. Step 3: Cross multiply
    4,390.36x = 6,057.12 × 2,819.32
  4. Step 4: Simplify right side
    4,390.36x = 17,076,959.56
  5. Step 5: Solve for x
    x = 17,076,959.56/4,390.36
  6. Step 6: Final answer
    x = 3,889.65

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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.