Home / 8,858.55-13,285.38-2,618.31

Finding the Fourth Proportional to 8,858.55, 13,285.38 and 2,618.31

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Solution

The fourth proportional to 8,858.55, 13,285.38 and 2,618.31 is: 3,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.55 : 13,285.38 = 2,618.31 : x
  2. Step 2: Convert to fraction form
    8,858.55/13,285.38 = 2,618.31/x
  3. Step 3: Cross multiply
    8,858.55x = 13,285.38 × 2,618.31
  4. Step 4: Simplify right side
    8,858.55x = 34,785,243.31
  5. Step 5: Solve for x
    x = 34,785,243.31/8,858.55
  6. Step 6: Final answer
    x = 3,926.74

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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.