Home / 4,120.81-6,175.74-3,570.43

Finding the Fourth Proportional to 4,120.81, 6,175.74 and 3,570.43

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Solution

The fourth proportional to 4,120.81, 6,175.74 and 3,570.43 is: 5,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.81 : 6,175.74 = 3,570.43 : x
  2. Step 2: Convert to fraction form
    4,120.81/6,175.74 = 3,570.43/x
  3. Step 3: Cross multiply
    4,120.81x = 6,175.74 × 3,570.43
  4. Step 4: Simplify right side
    4,120.81x = 22,050,047.37
  5. Step 5: Solve for x
    x = 22,050,047.37/4,120.81
  6. Step 6: Final answer
    x = 5,350.90

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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.