Home / 4,650.43-6,972.61-1,688.31

Finding the Fourth Proportional to 4,650.43, 6,972.61 and 1,688.31

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Solution

The fourth proportional to 4,650.43, 6,972.61 and 1,688.31 is: 2,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.43 : 6,972.61 = 1,688.31 : x
  2. Step 2: Convert to fraction form
    4,650.43/6,972.61 = 1,688.31/x
  3. Step 3: Cross multiply
    4,650.43x = 6,972.61 × 1,688.31
  4. Step 4: Simplify right side
    4,650.43x = 11,771,918.75
  5. Step 5: Solve for x
    x = 11,771,918.75/4,650.43
  6. Step 6: Final answer
    x = 2,531.36

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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.