Home / 8,858.20-13,288.26-3,314.20

Finding the Fourth Proportional to 8,858.20, 13,288.26 and 3,314.20

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Solution

The fourth proportional to 8,858.20, 13,288.26 and 3,314.20 is: 4,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.20 : 13,288.26 = 3,314.20 : x
  2. Step 2: Convert to fraction form
    8,858.20/13,288.26 = 3,314.20/x
  3. Step 3: Cross multiply
    8,858.20x = 13,288.26 × 3,314.20
  4. Step 4: Simplify right side
    8,858.20x = 44,039,951.29
  5. Step 5: Solve for x
    x = 44,039,951.29/8,858.20
  6. Step 6: Final answer
    x = 4,971.66

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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.