Home / 8,860.41-13,288.19-3,311.91

Finding the Fourth Proportional to 8,860.41, 13,288.19 and 3,311.91

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Solution

The fourth proportional to 8,860.41, 13,288.19 and 3,311.91 is: 4,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.41 : 13,288.19 = 3,311.91 : x
  2. Step 2: Convert to fraction form
    8,860.41/13,288.19 = 3,311.91/x
  3. Step 3: Cross multiply
    8,860.41x = 13,288.19 × 3,311.91
  4. Step 4: Simplify right side
    8,860.41x = 44,009,272.78
  5. Step 5: Solve for x
    x = 44,009,272.78/8,860.41
  6. Step 6: Final answer
    x = 4,966.96

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1.5x scale

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.