Home / 5,815.12-8,025.03-3,425.31

Finding the Fourth Proportional to 5,815.12, 8,025.03 and 3,425.31

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Solution

The fourth proportional to 5,815.12, 8,025.03 and 3,425.31 is: 4,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.12 : 8,025.03 = 3,425.31 : x
  2. Step 2: Convert to fraction form
    5,815.12/8,025.03 = 3,425.31/x
  3. Step 3: Cross multiply
    5,815.12x = 8,025.03 × 3,425.31
  4. Step 4: Simplify right side
    5,815.12x = 27,488,215.51
  5. Step 5: Solve for x
    x = 27,488,215.51/5,815.12
  6. Step 6: Final answer
    x = 4,727.02

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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.