Home / 5,618.57-8,427.84-1,514.57

Finding the Fourth Proportional to 5,618.57, 8,427.84 and 1,514.57

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Solution

The fourth proportional to 5,618.57, 8,427.84 and 1,514.57 is: 2,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.57 : 8,427.84 = 1,514.57 : x
  2. Step 2: Convert to fraction form
    5,618.57/8,427.84 = 1,514.57/x
  3. Step 3: Cross multiply
    5,618.57x = 8,427.84 × 1,514.57
  4. Step 4: Simplify right side
    5,618.57x = 12,764,553.63
  5. Step 5: Solve for x
    x = 12,764,553.63/5,618.57
  6. Step 6: Final answer
    x = 2,271.85

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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.