Home / 4,777.73-7,153.90-3,215.33

Finding the Fourth Proportional to 4,777.73, 7,153.90 and 3,215.33

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Solution

The fourth proportional to 4,777.73, 7,153.90 and 3,215.33 is: 4,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.73 : 7,153.90 = 3,215.33 : x
  2. Step 2: Convert to fraction form
    4,777.73/7,153.90 = 3,215.33/x
  3. Step 3: Cross multiply
    4,777.73x = 7,153.90 × 3,215.33
  4. Step 4: Simplify right side
    4,777.73x = 23,002,149.29
  5. Step 5: Solve for x
    x = 23,002,149.29/4,777.73
  6. Step 6: Final answer
    x = 4,814.45

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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.