Home / 4,422.36-6,101.81-2,989.40

Finding the Fourth Proportional to 4,422.36, 6,101.81 and 2,989.40

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Solution

The fourth proportional to 4,422.36, 6,101.81 and 2,989.40 is: 4,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.36 : 6,101.81 = 2,989.40 : x
  2. Step 2: Convert to fraction form
    4,422.36/6,101.81 = 2,989.40/x
  3. Step 3: Cross multiply
    4,422.36x = 6,101.81 × 2,989.40
  4. Step 4: Simplify right side
    4,422.36x = 18,240,742.48
  5. Step 5: Solve for x
    x = 18,240,742.48/4,422.36
  6. Step 6: Final answer
    x = 4,124.66

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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.