Home / 4,908.11-7,361.85-1,985.63

Finding the Fourth Proportional to 4,908.11, 7,361.85 and 1,985.63

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Solution

The fourth proportional to 4,908.11, 7,361.85 and 1,985.63 is: 2,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.11 : 7,361.85 = 1,985.63 : x
  2. Step 2: Convert to fraction form
    4,908.11/7,361.85 = 1,985.63/x
  3. Step 3: Cross multiply
    4,908.11x = 7,361.85 × 1,985.63
  4. Step 4: Simplify right side
    4,908.11x = 14,617,910.22
  5. Step 5: Solve for x
    x = 14,617,910.22/4,908.11
  6. Step 6: Final answer
    x = 2,978.32

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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.