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Finding the Fourth Proportional to 5,997.79, 8,281.04 and 3,878.45

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Solution

The fourth proportional to 5,997.79, 8,281.04 and 3,878.45 is: 5,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.79 : 8,281.04 = 3,878.45 : x
  2. Step 2: Convert to fraction form
    5,997.79/8,281.04 = 3,878.45/x
  3. Step 3: Cross multiply
    5,997.79x = 8,281.04 × 3,878.45
  4. Step 4: Simplify right side
    5,997.79x = 32,117,569.84
  5. Step 5: Solve for x
    x = 32,117,569.84/5,997.79
  6. Step 6: Final answer
    x = 5,354.90

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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.