Home / 5,205.27-7,185.64-3,319.43

Finding the Fourth Proportional to 5,205.27, 7,185.64 and 3,319.43

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Solution

The fourth proportional to 5,205.27, 7,185.64 and 3,319.43 is: 4,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.27 : 7,185.64 = 3,319.43 : x
  2. Step 2: Convert to fraction form
    5,205.27/7,185.64 = 3,319.43/x
  3. Step 3: Cross multiply
    5,205.27x = 7,185.64 × 3,319.43
  4. Step 4: Simplify right side
    5,205.27x = 23,852,184.76
  5. Step 5: Solve for x
    x = 23,852,184.76/5,205.27
  6. Step 6: Final answer
    x = 4,582.31

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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.