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Finding the Fourth Proportional to 8,994.30, 12,415.05 and 6,010.80

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Solution

The fourth proportional to 8,994.30, 12,415.05 and 6,010.80 is: 8,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.30 : 12,415.05 = 6,010.80 : x
  2. Step 2: Convert to fraction form
    8,994.30/12,415.05 = 6,010.80/x
  3. Step 3: Cross multiply
    8,994.30x = 12,415.05 × 6,010.80
  4. Step 4: Simplify right side
    8,994.30x = 74,624,382.54
  5. Step 5: Solve for x
    x = 74,624,382.54/8,994.30
  6. Step 6: Final answer
    x = 8,296.85

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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.