Home / 7,821.43-10,792.85-4,464.21

Finding the Fourth Proportional to 7,821.43, 10,792.85 and 4,464.21

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Solution

The fourth proportional to 7,821.43, 10,792.85 and 4,464.21 is: 6,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.43 : 10,792.85 = 4,464.21 : x
  2. Step 2: Convert to fraction form
    7,821.43/10,792.85 = 4,464.21/x
  3. Step 3: Cross multiply
    7,821.43x = 10,792.85 × 4,464.21
  4. Step 4: Simplify right side
    7,821.43x = 48,181,567.05
  5. Step 5: Solve for x
    x = 48,181,567.05/7,821.43
  6. Step 6: Final answer
    x = 6,160.20

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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.