Home / 5,431.68-7,496.40-3,193.77

Finding the Fourth Proportional to 5,431.68, 7,496.40 and 3,193.77

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Solution

The fourth proportional to 5,431.68, 7,496.40 and 3,193.77 is: 4,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.68 : 7,496.40 = 3,193.77 : x
  2. Step 2: Convert to fraction form
    5,431.68/7,496.40 = 3,193.77/x
  3. Step 3: Cross multiply
    5,431.68x = 7,496.40 × 3,193.77
  4. Step 4: Simplify right side
    5,431.68x = 23,941,777.43
  5. Step 5: Solve for x
    x = 23,941,777.43/5,431.68
  6. Step 6: Final answer
    x = 4,407.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.