Home / 4,570.68-6,308.78-2,998.20

Finding the Fourth Proportional to 4,570.68, 6,308.78 and 2,998.20

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Solution

The fourth proportional to 4,570.68, 6,308.78 and 2,998.20 is: 4,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.68 : 6,308.78 = 2,998.20 : x
  2. Step 2: Convert to fraction form
    4,570.68/6,308.78 = 2,998.20/x
  3. Step 3: Cross multiply
    4,570.68x = 6,308.78 × 2,998.20
  4. Step 4: Simplify right side
    4,570.68x = 18,914,984.20
  5. Step 5: Solve for x
    x = 18,914,984.20/4,570.68
  6. Step 6: Final answer
    x = 4,138.33

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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.