Home / 4,477.59-6,181.65-2,990.43

Finding the Fourth Proportional to 4,477.59, 6,181.65 and 2,990.43

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Solution

The fourth proportional to 4,477.59, 6,181.65 and 2,990.43 is: 4,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.59 : 6,181.65 = 2,990.43 : x
  2. Step 2: Convert to fraction form
    4,477.59/6,181.65 = 2,990.43/x
  3. Step 3: Cross multiply
    4,477.59x = 6,181.65 × 2,990.43
  4. Step 4: Simplify right side
    4,477.59x = 18,485,791.61
  5. Step 5: Solve for x
    x = 18,485,791.61/4,477.59
  6. Step 6: Final answer
    x = 4,128.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.