Home / 4,124.64-5,687.60-3,118.66

Finding the Fourth Proportional to 4,124.64, 5,687.60 and 3,118.66

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Solution

The fourth proportional to 4,124.64, 5,687.60 and 3,118.66 is: 4,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.64 : 5,687.60 = 3,118.66 : x
  2. Step 2: Convert to fraction form
    4,124.64/5,687.60 = 3,118.66/x
  3. Step 3: Cross multiply
    4,124.64x = 5,687.60 × 3,118.66
  4. Step 4: Simplify right side
    4,124.64x = 17,737,690.62
  5. Step 5: Solve for x
    x = 17,737,690.62/4,124.64
  6. Step 6: Final answer
    x = 4,300.42

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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.