Home / 5,465.50-8,199.60-2,543.20

Finding the Fourth Proportional to 5,465.50, 8,199.60 and 2,543.20

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Solution

The fourth proportional to 5,465.50, 8,199.60 and 2,543.20 is: 3,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.50 : 8,199.60 = 2,543.20 : x
  2. Step 2: Convert to fraction form
    5,465.50/8,199.60 = 2,543.20/x
  3. Step 3: Cross multiply
    5,465.50x = 8,199.60 × 2,543.20
  4. Step 4: Simplify right side
    5,465.50x = 20,853,222.72
  5. Step 5: Solve for x
    x = 20,853,222.72/5,465.50
  6. Step 6: Final answer
    x = 3,815.43

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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.