Home / 4,989.42-7,493.85-4,065.66

Finding the Fourth Proportional to 4,989.42, 7,493.85 and 4,065.66

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Solution

The fourth proportional to 4,989.42, 7,493.85 and 4,065.66 is: 6,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.42 : 7,493.85 = 4,065.66 : x
  2. Step 2: Convert to fraction form
    4,989.42/7,493.85 = 4,065.66/x
  3. Step 3: Cross multiply
    4,989.42x = 7,493.85 × 4,065.66
  4. Step 4: Simplify right side
    4,989.42x = 30,467,446.19
  5. Step 5: Solve for x
    x = 30,467,446.19/4,989.42
  6. Step 6: Final answer
    x = 6,106.41

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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.