Home / 5,828.16-8,044.32-3,938.88

Finding the Fourth Proportional to 5,828.16, 8,044.32 and 3,938.88

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Solution

The fourth proportional to 5,828.16, 8,044.32 and 3,938.88 is: 5,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.16 : 8,044.32 = 3,938.88 : x
  2. Step 2: Convert to fraction form
    5,828.16/8,044.32 = 3,938.88/x
  3. Step 3: Cross multiply
    5,828.16x = 8,044.32 × 3,938.88
  4. Step 4: Simplify right side
    5,828.16x = 31,685,611.16
  5. Step 5: Solve for x
    x = 31,685,611.16/5,828.16
  6. Step 6: Final answer
    x = 5,436.64

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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.