Home / 4,428.65-6,111.40-2,439.21

Finding the Fourth Proportional to 4,428.65, 6,111.40 and 2,439.21

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Solution

The fourth proportional to 4,428.65, 6,111.40 and 2,439.21 is: 3,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.65 : 6,111.40 = 2,439.21 : x
  2. Step 2: Convert to fraction form
    4,428.65/6,111.40 = 2,439.21/x
  3. Step 3: Cross multiply
    4,428.65x = 6,111.40 × 2,439.21
  4. Step 4: Simplify right side
    4,428.65x = 14,906,975.80
  5. Step 5: Solve for x
    x = 14,906,975.80/4,428.65
  6. Step 6: Final answer
    x = 3,366.04

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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.