Home / 8,871.32-13,308.54-3,680.84

Finding the Fourth Proportional to 8,871.32, 13,308.54 and 3,680.84

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Solution

The fourth proportional to 8,871.32, 13,308.54 and 3,680.84 is: 5,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.32 : 13,308.54 = 3,680.84 : x
  2. Step 2: Convert to fraction form
    8,871.32/13,308.54 = 3,680.84/x
  3. Step 3: Cross multiply
    8,871.32x = 13,308.54 × 3,680.84
  4. Step 4: Simplify right side
    8,871.32x = 48,986,606.37
  5. Step 5: Solve for x
    x = 48,986,606.37/8,871.32
  6. Step 6: Final answer
    x = 5,521.91

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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.