Home / 8,857.64-13,291.66-3,927.84

Finding the Fourth Proportional to 8,857.64, 13,291.66 and 3,927.84

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Solution

The fourth proportional to 8,857.64, 13,291.66 and 3,927.84 is: 5,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.64 : 13,291.66 = 3,927.84 : x
  2. Step 2: Convert to fraction form
    8,857.64/13,291.66 = 3,927.84/x
  3. Step 3: Cross multiply
    8,857.64x = 13,291.66 × 3,927.84
  4. Step 4: Simplify right side
    8,857.64x = 52,207,513.81
  5. Step 5: Solve for x
    x = 52,207,513.81/8,857.64
  6. Step 6: Final answer
    x = 5,894.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.