Home / 5,431.86-7,494.12-3,193.02

Finding the Fourth Proportional to 5,431.86, 7,494.12 and 3,193.02

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Solution

The fourth proportional to 5,431.86, 7,494.12 and 3,193.02 is: 4,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.86 : 7,494.12 = 3,193.02 : x
  2. Step 2: Convert to fraction form
    5,431.86/7,494.12 = 3,193.02/x
  3. Step 3: Cross multiply
    5,431.86x = 7,494.12 × 3,193.02
  4. Step 4: Simplify right side
    5,431.86x = 23,928,875.04
  5. Step 5: Solve for x
    x = 23,928,875.04/5,431.86
  6. Step 6: Final answer
    x = 4,405.28

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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.