Home / 7,859.09-10,845.33-4,322.30

Finding the Fourth Proportional to 7,859.09, 10,845.33 and 4,322.30

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Solution

The fourth proportional to 7,859.09, 10,845.33 and 4,322.30 is: 5,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.09 : 10,845.33 = 4,322.30 : x
  2. Step 2: Convert to fraction form
    7,859.09/10,845.33 = 4,322.30/x
  3. Step 3: Cross multiply
    7,859.09x = 10,845.33 × 4,322.30
  4. Step 4: Simplify right side
    7,859.09x = 46,876,786.17
  5. Step 5: Solve for x
    x = 46,876,786.17/7,859.09
  6. Step 6: Final answer
    x = 5,964.66

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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.