Home / 5,421.58-8,129.32-2,496.26

Finding the Fourth Proportional to 5,421.58, 8,129.32 and 2,496.26

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Solution

The fourth proportional to 5,421.58, 8,129.32 and 2,496.26 is: 3,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.58 : 8,129.32 = 2,496.26 : x
  2. Step 2: Convert to fraction form
    5,421.58/8,129.32 = 2,496.26/x
  3. Step 3: Cross multiply
    5,421.58x = 8,129.32 × 2,496.26
  4. Step 4: Simplify right side
    5,421.58x = 20,292,896.34
  5. Step 5: Solve for x
    x = 20,292,896.34/5,421.58
  6. Step 6: Final answer
    x = 3,742.99

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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.