Home / 5,208.25-7,775.70-4,285.61

Finding the Fourth Proportional to 5,208.25, 7,775.70 and 4,285.61

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Solution

The fourth proportional to 5,208.25, 7,775.70 and 4,285.61 is: 6,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.25 : 7,775.70 = 4,285.61 : x
  2. Step 2: Convert to fraction form
    5,208.25/7,775.70 = 4,285.61/x
  3. Step 3: Cross multiply
    5,208.25x = 7,775.70 × 4,285.61
  4. Step 4: Simplify right side
    5,208.25x = 33,323,591.89
  5. Step 5: Solve for x
    x = 33,323,591.89/5,208.25
  6. Step 6: Final answer
    x = 6,398.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.