Home / 4,740.05-7,102.22-2,885.56

Finding the Fourth Proportional to 4,740.05, 7,102.22 and 2,885.56

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Solution

The fourth proportional to 4,740.05, 7,102.22 and 2,885.56 is: 4,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.05 : 7,102.22 = 2,885.56 : x
  2. Step 2: Convert to fraction form
    4,740.05/7,102.22 = 2,885.56/x
  3. Step 3: Cross multiply
    4,740.05x = 7,102.22 × 2,885.56
  4. Step 4: Simplify right side
    4,740.05x = 20,493,849.76
  5. Step 5: Solve for x
    x = 20,493,849.76/4,740.05
  6. Step 6: Final answer
    x = 4,323.55

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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.