Home / 4,428.88-6,114.79-3,418.76

Finding the Fourth Proportional to 4,428.88, 6,114.79 and 3,418.76

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Solution

The fourth proportional to 4,428.88, 6,114.79 and 3,418.76 is: 4,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.88 : 6,114.79 = 3,418.76 : x
  2. Step 2: Convert to fraction form
    4,428.88/6,114.79 = 3,418.76/x
  3. Step 3: Cross multiply
    4,428.88x = 6,114.79 × 3,418.76
  4. Step 4: Simplify right side
    4,428.88x = 20,905,019.02
  5. Step 5: Solve for x
    x = 20,905,019.02/4,428.88
  6. Step 6: Final answer
    x = 4,720.16

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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.