Home / 4,378.52-6,042.36-2,389.04

Finding the Fourth Proportional to 4,378.52, 6,042.36 and 2,389.04

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Solution

The fourth proportional to 4,378.52, 6,042.36 and 2,389.04 is: 3,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.52 : 6,042.36 = 2,389.04 : x
  2. Step 2: Convert to fraction form
    4,378.52/6,042.36 = 2,389.04/x
  3. Step 3: Cross multiply
    4,378.52x = 6,042.36 × 2,389.04
  4. Step 4: Simplify right side
    4,378.52x = 14,435,439.73
  5. Step 5: Solve for x
    x = 14,435,439.73/4,378.52
  6. Step 6: Final answer
    x = 3,296.88

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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.