Home / 6,218.43-8,580.81-3,565.45

Finding the Fourth Proportional to 6,218.43, 8,580.81 and 3,565.45

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Solution

The fourth proportional to 6,218.43, 8,580.81 and 3,565.45 is: 4,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.43 : 8,580.81 = 3,565.45 : x
  2. Step 2: Convert to fraction form
    6,218.43/8,580.81 = 3,565.45/x
  3. Step 3: Cross multiply
    6,218.43x = 8,580.81 × 3,565.45
  4. Step 4: Simplify right side
    6,218.43x = 30,594,449.01
  5. Step 5: Solve for x
    x = 30,594,449.01/6,218.43
  6. Step 6: Final answer
    x = 4,919.96

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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.