Home / 7,315.57-10,095.41-3,958.31

Finding the Fourth Proportional to 7,315.57, 10,095.41 and 3,958.31

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Solution

The fourth proportional to 7,315.57, 10,095.41 and 3,958.31 is: 5,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.57 : 10,095.41 = 3,958.31 : x
  2. Step 2: Convert to fraction form
    7,315.57/10,095.41 = 3,958.31/x
  3. Step 3: Cross multiply
    7,315.57x = 10,095.41 × 3,958.31
  4. Step 4: Simplify right side
    7,315.57x = 39,960,735.14
  5. Step 5: Solve for x
    x = 39,960,735.14/7,315.57
  6. Step 6: Final answer
    x = 5,462.42

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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.