Home / 7,744.38-10,686.94-4,207.51

Finding the Fourth Proportional to 7,744.38, 10,686.94 and 4,207.51

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Solution

The fourth proportional to 7,744.38, 10,686.94 and 4,207.51 is: 5,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.38 : 10,686.94 = 4,207.51 : x
  2. Step 2: Convert to fraction form
    7,744.38/10,686.94 = 4,207.51/x
  3. Step 3: Cross multiply
    7,744.38x = 10,686.94 × 4,207.51
  4. Step 4: Simplify right side
    7,744.38x = 44,965,406.92
  5. Step 5: Solve for x
    x = 44,965,406.92/7,744.38
  6. Step 6: Final answer
    x = 5,806.20

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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.