Home / 5,863.42-8,091.45-3,210.79

Finding the Fourth Proportional to 5,863.42, 8,091.45 and 3,210.79

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Solution

The fourth proportional to 5,863.42, 8,091.45 and 3,210.79 is: 4,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.42 : 8,091.45 = 3,210.79 : x
  2. Step 2: Convert to fraction form
    5,863.42/8,091.45 = 3,210.79/x
  3. Step 3: Cross multiply
    5,863.42x = 8,091.45 × 3,210.79
  4. Step 4: Simplify right side
    5,863.42x = 25,979,946.75
  5. Step 5: Solve for x
    x = 25,979,946.75/5,863.42
  6. Step 6: Final answer
    x = 4,430.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.