Home / 5,403.58-8,109.01-2,116.26

Finding the Fourth Proportional to 5,403.58, 8,109.01 and 2,116.26

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Solution

The fourth proportional to 5,403.58, 8,109.01 and 2,116.26 is: 3,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.58 : 8,109.01 = 2,116.26 : x
  2. Step 2: Convert to fraction form
    5,403.58/8,109.01 = 2,116.26/x
  3. Step 3: Cross multiply
    5,403.58x = 8,109.01 × 2,116.26
  4. Step 4: Simplify right side
    5,403.58x = 17,160,773.50
  5. Step 5: Solve for x
    x = 17,160,773.50/5,403.58
  6. Step 6: Final answer
    x = 3,175.82

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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.