Home / 4,117.20-6,175.82-1,039.20

Finding the Fourth Proportional to 4,117.20, 6,175.82 and 1,039.20

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Solution

The fourth proportional to 4,117.20, 6,175.82 and 1,039.20 is: 1,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.20 : 6,175.82 = 1,039.20 : x
  2. Step 2: Convert to fraction form
    4,117.20/6,175.82 = 1,039.20/x
  3. Step 3: Cross multiply
    4,117.20x = 6,175.82 × 1,039.20
  4. Step 4: Simplify right side
    4,117.20x = 6,417,912.14
  5. Step 5: Solve for x
    x = 6,417,912.14/4,117.20
  6. Step 6: Final answer
    x = 1,558.81

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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.