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Finding the Fourth Proportional to 8,080.95, 11,156.90 and 7,283.91

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Solution

The fourth proportional to 8,080.95, 11,156.90 and 7,283.91 is: 10,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.95 : 11,156.90 = 7,283.91 : x
  2. Step 2: Convert to fraction form
    8,080.95/11,156.90 = 7,283.91/x
  3. Step 3: Cross multiply
    8,080.95x = 11,156.90 × 7,283.91
  4. Step 4: Simplify right side
    8,080.95x = 81,265,819.06
  5. Step 5: Solve for x
    x = 81,265,819.06/8,080.95
  6. Step 6: Final answer
    x = 10,056.47

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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.