Home / 7,051.42-10,576.29-1,857.70

Finding the Fourth Proportional to 7,051.42, 10,576.29 and 1,857.70

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Solution

The fourth proportional to 7,051.42, 10,576.29 and 1,857.70 is: 2,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.42 : 10,576.29 = 1,857.70 : x
  2. Step 2: Convert to fraction form
    7,051.42/10,576.29 = 1,857.70/x
  3. Step 3: Cross multiply
    7,051.42x = 10,576.29 × 1,857.70
  4. Step 4: Simplify right side
    7,051.42x = 19,647,573.93
  5. Step 5: Solve for x
    x = 19,647,573.93/7,051.42
  6. Step 6: Final answer
    x = 2,786.33

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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.