Home / 4,177.30-6,290.51-3,015.45

Finding the Fourth Proportional to 4,177.30, 6,290.51 and 3,015.45

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Solution

The fourth proportional to 4,177.30, 6,290.51 and 3,015.45 is: 4,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.30 : 6,290.51 = 3,015.45 : x
  2. Step 2: Convert to fraction form
    4,177.30/6,290.51 = 3,015.45/x
  3. Step 3: Cross multiply
    4,177.30x = 6,290.51 × 3,015.45
  4. Step 4: Simplify right side
    4,177.30x = 18,968,725.92
  5. Step 5: Solve for x
    x = 18,968,725.92/4,177.30
  6. Step 6: Final answer
    x = 4,540.91

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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.