Home / 4,257.95-6,385.68-2,177.28

Finding the Fourth Proportional to 4,257.95, 6,385.68 and 2,177.28

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Solution

The fourth proportional to 4,257.95, 6,385.68 and 2,177.28 is: 3,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.95 : 6,385.68 = 2,177.28 : x
  2. Step 2: Convert to fraction form
    4,257.95/6,385.68 = 2,177.28/x
  3. Step 3: Cross multiply
    4,257.95x = 6,385.68 × 2,177.28
  4. Step 4: Simplify right side
    4,257.95x = 13,903,413.35
  5. Step 5: Solve for x
    x = 13,903,413.35/4,257.95
  6. Step 6: Final answer
    x = 3,265.29

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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.