Home / 5,436.48-8,145.54-3,487.62

Finding the Fourth Proportional to 5,436.48, 8,145.54 and 3,487.62

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Solution

The fourth proportional to 5,436.48, 8,145.54 and 3,487.62 is: 5,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.48 : 8,145.54 = 3,487.62 : x
  2. Step 2: Convert to fraction form
    5,436.48/8,145.54 = 3,487.62/x
  3. Step 3: Cross multiply
    5,436.48x = 8,145.54 × 3,487.62
  4. Step 4: Simplify right side
    5,436.48x = 28,408,548.21
  5. Step 5: Solve for x
    x = 28,408,548.21/5,436.48
  6. Step 6: Final answer
    x = 5,225.54

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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.