Home / 7,914.27-10,921.68-4,329.24

Finding the Fourth Proportional to 7,914.27, 10,921.68 and 4,329.24

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Solution

The fourth proportional to 7,914.27, 10,921.68 and 4,329.24 is: 5,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.27 : 10,921.68 = 4,329.24 : x
  2. Step 2: Convert to fraction form
    7,914.27/10,921.68 = 4,329.24/x
  3. Step 3: Cross multiply
    7,914.27x = 10,921.68 × 4,329.24
  4. Step 4: Simplify right side
    7,914.27x = 47,282,573.92
  5. Step 5: Solve for x
    x = 47,282,573.92/7,914.27
  6. Step 6: Final answer
    x = 5,974.34

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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.