Home / 8,858.16-13,289.42-2,618.14

Finding the Fourth Proportional to 8,858.16, 13,289.42 and 2,618.14

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Solution

The fourth proportional to 8,858.16, 13,289.42 and 2,618.14 is: 3,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.16 : 13,289.42 = 2,618.14 : x
  2. Step 2: Convert to fraction form
    8,858.16/13,289.42 = 2,618.14/x
  3. Step 3: Cross multiply
    8,858.16x = 13,289.42 × 2,618.14
  4. Step 4: Simplify right side
    8,858.16x = 34,793,562.08
  5. Step 5: Solve for x
    x = 34,793,562.08/8,858.16
  6. Step 6: Final answer
    x = 3,927.85

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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.