Home / 5,436.48-8,154.46-3,186.26

Finding the Fourth Proportional to 5,436.48, 8,154.46 and 3,186.26

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Solution

The fourth proportional to 5,436.48, 8,154.46 and 3,186.26 is: 4,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.48 : 8,154.46 = 3,186.26 : x
  2. Step 2: Convert to fraction form
    5,436.48/8,154.46 = 3,186.26/x
  3. Step 3: Cross multiply
    5,436.48x = 8,154.46 × 3,186.26
  4. Step 4: Simplify right side
    5,436.48x = 25,982,173.02
  5. Step 5: Solve for x
    x = 25,982,173.02/5,436.48
  6. Step 6: Final answer
    x = 4,779.23

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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.