Home / 5,857.72-8,083.65-3,205.12

Finding the Fourth Proportional to 5,857.72, 8,083.65 and 3,205.12

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Solution

The fourth proportional to 5,857.72, 8,083.65 and 3,205.12 is: 4,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.72 : 8,083.65 = 3,205.12 : x
  2. Step 2: Convert to fraction form
    5,857.72/8,083.65 = 3,205.12/x
  3. Step 3: Cross multiply
    5,857.72x = 8,083.65 × 3,205.12
  4. Step 4: Simplify right side
    5,857.72x = 25,909,068.29
  5. Step 5: Solve for x
    x = 25,909,068.29/5,857.72
  6. Step 6: Final answer
    x = 4,423.06

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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.