Home / 4,830.89-7,236.62-4,087.31

Finding the Fourth Proportional to 4,830.89, 7,236.62 and 4,087.31

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Solution

The fourth proportional to 4,830.89, 7,236.62 and 4,087.31 is: 6,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.89 : 7,236.62 = 4,087.31 : x
  2. Step 2: Convert to fraction form
    4,830.89/7,236.62 = 4,087.31/x
  3. Step 3: Cross multiply
    4,830.89x = 7,236.62 × 4,087.31
  4. Step 4: Simplify right side
    4,830.89x = 29,578,288.86
  5. Step 5: Solve for x
    x = 29,578,288.86/4,830.89
  6. Step 6: Final answer
    x = 6,122.74

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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.