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Finding the Fourth Proportional to 8,045.88, 11,998.47 and 7,754.28

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Solution

The fourth proportional to 8,045.88, 11,998.47 and 7,754.28 is: 11,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.88 : 11,998.47 = 7,754.28 : x
  2. Step 2: Convert to fraction form
    8,045.88/11,998.47 = 7,754.28/x
  3. Step 3: Cross multiply
    8,045.88x = 11,998.47 × 7,754.28
  4. Step 4: Simplify right side
    8,045.88x = 93,039,495.95
  5. Step 5: Solve for x
    x = 93,039,495.95/8,045.88
  6. Step 6: Final answer
    x = 11,563.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.