Home / 5,403.81-8,105.72-4,173.02

Finding the Fourth Proportional to 5,403.81, 8,105.72 and 4,173.02

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Solution

The fourth proportional to 5,403.81, 8,105.72 and 4,173.02 is: 6,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.81 : 8,105.72 = 4,173.02 : x
  2. Step 2: Convert to fraction form
    5,403.81/8,105.72 = 4,173.02/x
  3. Step 3: Cross multiply
    5,403.81x = 8,105.72 × 4,173.02
  4. Step 4: Simplify right side
    5,403.81x = 33,825,270.28
  5. Step 5: Solve for x
    x = 33,825,270.28/5,403.81
  6. Step 6: Final answer
    x = 6,259.52

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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.