Home / 4,389.12-6,055.86-2,819.34

Finding the Fourth Proportional to 4,389.12, 6,055.86 and 2,819.34

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Solution

The fourth proportional to 4,389.12, 6,055.86 and 2,819.34 is: 3,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.12 : 6,055.86 = 2,819.34 : x
  2. Step 2: Convert to fraction form
    4,389.12/6,055.86 = 2,819.34/x
  3. Step 3: Cross multiply
    4,389.12x = 6,055.86 × 2,819.34
  4. Step 4: Simplify right side
    4,389.12x = 17,073,528.33
  5. Step 5: Solve for x
    x = 17,073,528.33/4,389.12
  6. Step 6: Final answer
    x = 3,889.97

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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.