Home / 8,214.06-12,316.77-2,947.02

Finding the Fourth Proportional to 8,214.06, 12,316.77 and 2,947.02

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Solution

The fourth proportional to 8,214.06, 12,316.77 and 2,947.02 is: 4,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.06 : 12,316.77 = 2,947.02 : x
  2. Step 2: Convert to fraction form
    8,214.06/12,316.77 = 2,947.02/x
  3. Step 3: Cross multiply
    8,214.06x = 12,316.77 × 2,947.02
  4. Step 4: Simplify right side
    8,214.06x = 36,297,767.53
  5. Step 5: Solve for x
    x = 36,297,767.53/8,214.06
  6. Step 6: Final answer
    x = 4,418.98

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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.