Home / 8,857.30-13,277.85-3,927.91

Finding the Fourth Proportional to 8,857.30, 13,277.85 and 3,927.91

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Solution

The fourth proportional to 8,857.30, 13,277.85 and 3,927.91 is: 5,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.30 : 13,277.85 = 3,927.91 : x
  2. Step 2: Convert to fraction form
    8,857.30/13,277.85 = 3,927.91/x
  3. Step 3: Cross multiply
    8,857.30x = 13,277.85 × 3,927.91
  4. Step 4: Simplify right side
    8,857.30x = 52,154,199.79
  5. Step 5: Solve for x
    x = 52,154,199.79/8,857.30
  6. Step 6: Final answer
    x = 5,888.27

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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.