Home / 5,095.85-7,031.93-2,857.37

Finding the Fourth Proportional to 5,095.85, 7,031.93 and 2,857.37

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Solution

The fourth proportional to 5,095.85, 7,031.93 and 2,857.37 is: 3,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.85 : 7,031.93 = 2,857.37 : x
  2. Step 2: Convert to fraction form
    5,095.85/7,031.93 = 2,857.37/x
  3. Step 3: Cross multiply
    5,095.85x = 7,031.93 × 2,857.37
  4. Step 4: Simplify right side
    5,095.85x = 20,092,776.38
  5. Step 5: Solve for x
    x = 20,092,776.38/5,095.85
  6. Step 6: Final answer
    x = 3,942.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.