Home / 5,486.88-8,229.40-1,590.37

Finding the Fourth Proportional to 5,486.88, 8,229.40 and 1,590.37

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Solution

The fourth proportional to 5,486.88, 8,229.40 and 1,590.37 is: 2,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.88 : 8,229.40 = 1,590.37 : x
  2. Step 2: Convert to fraction form
    5,486.88/8,229.40 = 1,590.37/x
  3. Step 3: Cross multiply
    5,486.88x = 8,229.40 × 1,590.37
  4. Step 4: Simplify right side
    5,486.88x = 13,087,790.88
  5. Step 5: Solve for x
    x = 13,087,790.88/5,486.88
  6. Step 6: Final answer
    x = 2,385.29

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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.