Home / 8,080.40-11,152.28-5,097.84

Finding the Fourth Proportional to 8,080.40, 11,152.28 and 5,097.84

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Solution

The fourth proportional to 8,080.40, 11,152.28 and 5,097.84 is: 7,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.40 : 11,152.28 = 5,097.84 : x
  2. Step 2: Convert to fraction form
    8,080.40/11,152.28 = 5,097.84/x
  3. Step 3: Cross multiply
    8,080.40x = 11,152.28 × 5,097.84
  4. Step 4: Simplify right side
    8,080.40x = 56,852,539.08
  5. Step 5: Solve for x
    x = 56,852,539.08/8,080.40
  6. Step 6: Final answer
    x = 7,035.86

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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.