Home / 8,789.90-13,184.86-2,216.16

Finding the Fourth Proportional to 8,789.90, 13,184.86 and 2,216.16

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Solution

The fourth proportional to 8,789.90, 13,184.86 and 2,216.16 is: 3,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.90 : 13,184.86 = 2,216.16 : x
  2. Step 2: Convert to fraction form
    8,789.90/13,184.86 = 2,216.16/x
  3. Step 3: Cross multiply
    8,789.90x = 13,184.86 × 2,216.16
  4. Step 4: Simplify right side
    8,789.90x = 29,219,759.34
  5. Step 5: Solve for x
    x = 29,219,759.34/8,789.90
  6. Step 6: Final answer
    x = 3,324.24

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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.