Home / 4,777.74-7,168.33-2,145.04

Finding the Fourth Proportional to 4,777.74, 7,168.33 and 2,145.04

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Solution

The fourth proportional to 4,777.74, 7,168.33 and 2,145.04 is: 3,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.74 : 7,168.33 = 2,145.04 : x
  2. Step 2: Convert to fraction form
    4,777.74/7,168.33 = 2,145.04/x
  3. Step 3: Cross multiply
    4,777.74x = 7,168.33 × 2,145.04
  4. Step 4: Simplify right side
    4,777.74x = 15,376,354.58
  5. Step 5: Solve for x
    x = 15,376,354.58/4,777.74
  6. Step 6: Final answer
    x = 3,218.33

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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.