Home / 7,315.96-10,095.97-3,958.75

Finding the Fourth Proportional to 7,315.96, 10,095.97 and 3,958.75

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Solution

The fourth proportional to 7,315.96, 10,095.97 and 3,958.75 is: 5,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.96 : 10,095.97 = 3,958.75 : x
  2. Step 2: Convert to fraction form
    7,315.96/10,095.97 = 3,958.75/x
  3. Step 3: Cross multiply
    7,315.96x = 10,095.97 × 3,958.75
  4. Step 4: Simplify right side
    7,315.96x = 39,967,421.24
  5. Step 5: Solve for x
    x = 39,967,421.24/7,315.96
  6. Step 6: Final answer
    x = 5,463.05

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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.