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Finding the Fourth Proportional to 8,755.97, 13,134.56 and 4,316.00

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Solution

The fourth proportional to 8,755.97, 13,134.56 and 4,316.00 is: 6,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.97 : 13,134.56 = 4,316.00 : x
  2. Step 2: Convert to fraction form
    8,755.97/13,134.56 = 4,316.00/x
  3. Step 3: Cross multiply
    8,755.97x = 13,134.56 × 4,316.00
  4. Step 4: Simplify right side
    8,755.97x = 56,688,673.71
  5. Step 5: Solve for x
    x = 56,688,673.71/8,755.97
  6. Step 6: Final answer
    x = 6,474.29

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1.5x scale

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.