Home / 5,429.82-8,145.44-1,534.33

Finding the Fourth Proportional to 5,429.82, 8,145.44 and 1,534.33

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Solution

The fourth proportional to 5,429.82, 8,145.44 and 1,534.33 is: 2,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.82 : 8,145.44 = 1,534.33 : x
  2. Step 2: Convert to fraction form
    5,429.82/8,145.44 = 1,534.33/x
  3. Step 3: Cross multiply
    5,429.82x = 8,145.44 × 1,534.33
  4. Step 4: Simplify right side
    5,429.82x = 12,497,792.96
  5. Step 5: Solve for x
    x = 12,497,792.96/5,429.82
  6. Step 6: Final answer
    x = 2,301.70

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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.