Home / 5,618.25-8,427.34-1,458.26

Finding the Fourth Proportional to 5,618.25, 8,427.34 and 1,458.26

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Solution

The fourth proportional to 5,618.25, 8,427.34 and 1,458.26 is: 2,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.25 : 8,427.34 = 1,458.26 : x
  2. Step 2: Convert to fraction form
    5,618.25/8,427.34 = 1,458.26/x
  3. Step 3: Cross multiply
    5,618.25x = 8,427.34 × 1,458.26
  4. Step 4: Simplify right side
    5,618.25x = 12,289,252.83
  5. Step 5: Solve for x
    x = 12,289,252.83/5,618.25
  6. Step 6: Final answer
    x = 2,187.38

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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.