Home / 7,938.68-10,950.39-5,109.71

Finding the Fourth Proportional to 7,938.68, 10,950.39 and 5,109.71

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Solution

The fourth proportional to 7,938.68, 10,950.39 and 5,109.71 is: 7,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.68 : 10,950.39 = 5,109.71 : x
  2. Step 2: Convert to fraction form
    7,938.68/10,950.39 = 5,109.71/x
  3. Step 3: Cross multiply
    7,938.68x = 10,950.39 × 5,109.71
  4. Step 4: Simplify right side
    7,938.68x = 55,953,262.53
  5. Step 5: Solve for x
    x = 55,953,262.53/7,938.68
  6. Step 6: Final answer
    x = 7,048.19

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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.