Home / 4,428.66-6,111.54-2,439.21

Finding the Fourth Proportional to 4,428.66, 6,111.54 and 2,439.21

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Solution

The fourth proportional to 4,428.66, 6,111.54 and 2,439.21 is: 3,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.66 : 6,111.54 = 2,439.21 : x
  2. Step 2: Convert to fraction form
    4,428.66/6,111.54 = 2,439.21/x
  3. Step 3: Cross multiply
    4,428.66x = 6,111.54 × 2,439.21
  4. Step 4: Simplify right side
    4,428.66x = 14,907,329.48
  5. Step 5: Solve for x
    x = 14,907,329.48/4,428.66
  6. Step 6: Final answer
    x = 3,366.10

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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.