Home / 4,215.68-6,320.48-2,022.72

Finding the Fourth Proportional to 4,215.68, 6,320.48 and 2,022.72

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Solution

The fourth proportional to 4,215.68, 6,320.48 and 2,022.72 is: 3,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.68 : 6,320.48 = 2,022.72 : x
  2. Step 2: Convert to fraction form
    4,215.68/6,320.48 = 2,022.72/x
  3. Step 3: Cross multiply
    4,215.68x = 6,320.48 × 2,022.72
  4. Step 4: Simplify right side
    4,215.68x = 12,784,561.31
  5. Step 5: Solve for x
    x = 12,784,561.31/4,215.68
  6. Step 6: Final answer
    x = 3,032.62

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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.