Home / 4,177.55-6,290.89-3,015.70

Finding the Fourth Proportional to 4,177.55, 6,290.89 and 3,015.70

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Solution

The fourth proportional to 4,177.55, 6,290.89 and 3,015.70 is: 4,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.55 : 6,290.89 = 3,015.70 : x
  2. Step 2: Convert to fraction form
    4,177.55/6,290.89 = 3,015.70/x
  3. Step 3: Cross multiply
    4,177.55x = 6,290.89 × 3,015.70
  4. Step 4: Simplify right side
    4,177.55x = 18,971,436.97
  5. Step 5: Solve for x
    x = 18,971,436.97/4,177.55
  6. Step 6: Final answer
    x = 4,541.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.