Home / 8,790.32-13,186.68-3,242.96

Finding the Fourth Proportional to 8,790.32, 13,186.68 and 3,242.96

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Solution

The fourth proportional to 8,790.32, 13,186.68 and 3,242.96 is: 4,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.32 : 13,186.68 = 3,242.96 : x
  2. Step 2: Convert to fraction form
    8,790.32/13,186.68 = 3,242.96/x
  3. Step 3: Cross multiply
    8,790.32x = 13,186.68 × 3,242.96
  4. Step 4: Simplify right side
    8,790.32x = 42,763,875.77
  5. Step 5: Solve for x
    x = 42,763,875.77/8,790.32
  6. Step 6: Final answer
    x = 4,864.88

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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.