Home / 5,465.80-8,186.55-4,229.20

Finding the Fourth Proportional to 5,465.80, 8,186.55 and 4,229.20

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Solution

The fourth proportional to 5,465.80, 8,186.55 and 4,229.20 is: 6,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.80 : 8,186.55 = 4,229.20 : x
  2. Step 2: Convert to fraction form
    5,465.80/8,186.55 = 4,229.20/x
  3. Step 3: Cross multiply
    5,465.80x = 8,186.55 × 4,229.20
  4. Step 4: Simplify right side
    5,465.80x = 34,622,557.26
  5. Step 5: Solve for x
    x = 34,622,557.26/5,465.80
  6. Step 6: Final answer
    x = 6,334.40

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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.