Home / 4,435.40-6,122.13-3,109.43

Finding the Fourth Proportional to 4,435.40, 6,122.13 and 3,109.43

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Solution

The fourth proportional to 4,435.40, 6,122.13 and 3,109.43 is: 4,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.40 : 6,122.13 = 3,109.43 : x
  2. Step 2: Convert to fraction form
    4,435.40/6,122.13 = 3,109.43/x
  3. Step 3: Cross multiply
    4,435.40x = 6,122.13 × 3,109.43
  4. Step 4: Simplify right side
    4,435.40x = 19,036,334.69
  5. Step 5: Solve for x
    x = 19,036,334.69/4,435.40
  6. Step 6: Final answer
    x = 4,291.91

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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.