Home / 4,522.78-6,784.26-2,972.66

Finding the Fourth Proportional to 4,522.78, 6,784.26 and 2,972.66

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Solution

The fourth proportional to 4,522.78, 6,784.26 and 2,972.66 is: 4,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522.78 : 6,784.26 = 2,972.66 : x
  2. Step 2: Convert to fraction form
    4,522.78/6,784.26 = 2,972.66/x
  3. Step 3: Cross multiply
    4,522.78x = 6,784.26 × 2,972.66
  4. Step 4: Simplify right side
    4,522.78x = 20,167,300.43
  5. Step 5: Solve for x
    x = 20,167,300.43/4,522.78
  6. Step 6: Final answer
    x = 4,459.05

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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.