Home / 4,381.40-6,030.99-3,820.88

Finding the Fourth Proportional to 4,381.40, 6,030.99 and 3,820.88

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Solution

The fourth proportional to 4,381.40, 6,030.99 and 3,820.88 is: 5,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.40 : 6,030.99 = 3,820.88 : x
  2. Step 2: Convert to fraction form
    4,381.40/6,030.99 = 3,820.88/x
  3. Step 3: Cross multiply
    4,381.40x = 6,030.99 × 3,820.88
  4. Step 4: Simplify right side
    4,381.40x = 23,043,704.15
  5. Step 5: Solve for x
    x = 23,043,704.15/4,381.40
  6. Step 6: Final answer
    x = 5,259.44

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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.