Home / 4,428.90-6,111.84-2,439.42

Finding the Fourth Proportional to 4,428.90, 6,111.84 and 2,439.42

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Solution

The fourth proportional to 4,428.90, 6,111.84 and 2,439.42 is: 3,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.90 : 6,111.84 = 2,439.42 : x
  2. Step 2: Convert to fraction form
    4,428.90/6,111.84 = 2,439.42/x
  3. Step 3: Cross multiply
    4,428.90x = 6,111.84 × 2,439.42
  4. Step 4: Simplify right side
    4,428.90x = 14,909,344.73
  5. Step 5: Solve for x
    x = 14,909,344.73/4,428.90
  6. Step 6: Final answer
    x = 3,366.38

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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.