Home / 4,117.56-6,176.40-1,381.56

Finding the Fourth Proportional to 4,117.56, 6,176.40 and 1,381.56

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Solution

The fourth proportional to 4,117.56, 6,176.40 and 1,381.56 is: 2,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.56 : 6,176.40 = 1,381.56 : x
  2. Step 2: Convert to fraction form
    4,117.56/6,176.40 = 1,381.56/x
  3. Step 3: Cross multiply
    4,117.56x = 6,176.40 × 1,381.56
  4. Step 4: Simplify right side
    4,117.56x = 8,533,067.18
  5. Step 5: Solve for x
    x = 8,533,067.18/4,117.56
  6. Step 6: Final answer
    x = 2,072.36

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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.