Home / 4,929.21-7,380.88-3,937.46

Finding the Fourth Proportional to 4,929.21, 7,380.88 and 3,937.46

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Solution

The fourth proportional to 4,929.21, 7,380.88 and 3,937.46 is: 5,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.21 : 7,380.88 = 3,937.46 : x
  2. Step 2: Convert to fraction form
    4,929.21/7,380.88 = 3,937.46/x
  3. Step 3: Cross multiply
    4,929.21x = 7,380.88 × 3,937.46
  4. Step 4: Simplify right side
    4,929.21x = 29,061,873.02
  5. Step 5: Solve for x
    x = 29,061,873.02/4,929.21
  6. Step 6: Final answer
    x = 5,895.85

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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.