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Finding the Fourth Proportional to 8,842.50, 12,201.03 and 6,490.26

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Solution

The fourth proportional to 8,842.50, 12,201.03 and 6,490.26 is: 8,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.50 : 12,201.03 = 6,490.26 : x
  2. Step 2: Convert to fraction form
    8,842.50/12,201.03 = 6,490.26/x
  3. Step 3: Cross multiply
    8,842.50x = 12,201.03 × 6,490.26
  4. Step 4: Simplify right side
    8,842.50x = 79,187,856.97
  5. Step 5: Solve for x
    x = 79,187,856.97/8,842.50
  6. Step 6: Final answer
    x = 8,955.37

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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.