Home / 5,724.18-7,897.58-3,205.95

Finding the Fourth Proportional to 5,724.18, 7,897.58 and 3,205.95

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Solution

The fourth proportional to 5,724.18, 7,897.58 and 3,205.95 is: 4,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.18 : 7,897.58 = 3,205.95 : x
  2. Step 2: Convert to fraction form
    5,724.18/7,897.58 = 3,205.95/x
  3. Step 3: Cross multiply
    5,724.18x = 7,897.58 × 3,205.95
  4. Step 4: Simplify right side
    5,724.18x = 25,319,230.57
  5. Step 5: Solve for x
    x = 25,319,230.57/5,724.18
  6. Step 6: Final answer
    x = 4,423.21

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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.