Home / 5,335.79-8,006.31-3,785.75

Finding the Fourth Proportional to 5,335.79, 8,006.31 and 3,785.75

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Solution

The fourth proportional to 5,335.79, 8,006.31 and 3,785.75 is: 5,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.79 : 8,006.31 = 3,785.75 : x
  2. Step 2: Convert to fraction form
    5,335.79/8,006.31 = 3,785.75/x
  3. Step 3: Cross multiply
    5,335.79x = 8,006.31 × 3,785.75
  4. Step 4: Simplify right side
    5,335.79x = 30,309,878.07
  5. Step 5: Solve for x
    x = 30,309,878.07/5,335.79
  6. Step 6: Final answer
    x = 5,680.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.