Home / 8,935.06-12,326.34-5,578.71

Finding the Fourth Proportional to 8,935.06, 12,326.34 and 5,578.71

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Solution

The fourth proportional to 8,935.06, 12,326.34 and 5,578.71 is: 7,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.06 : 12,326.34 = 5,578.71 : x
  2. Step 2: Convert to fraction form
    8,935.06/12,326.34 = 5,578.71/x
  3. Step 3: Cross multiply
    8,935.06x = 12,326.34 × 5,578.71
  4. Step 4: Simplify right side
    8,935.06x = 68,765,076.22
  5. Step 5: Solve for x
    x = 68,765,076.22/8,935.06
  6. Step 6: Final answer
    x = 7,696.10

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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.