Home / 9,710.43-14,562.99-2,688.78

Finding the Fourth Proportional to 9,710.43, 14,562.99 and 2,688.78

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Solution

The fourth proportional to 9,710.43, 14,562.99 and 2,688.78 is: 4,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710.43 : 14,562.99 = 2,688.78 : x
  2. Step 2: Convert to fraction form
    9,710.43/14,562.99 = 2,688.78/x
  3. Step 3: Cross multiply
    9,710.43x = 14,562.99 × 2,688.78
  4. Step 4: Simplify right side
    9,710.43x = 39,156,676.25
  5. Step 5: Solve for x
    x = 39,156,676.25/9,710.43
  6. Step 6: Final answer
    x = 4,032.43

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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.