Home / 7,383.81-11,080.71-5,539.44

Finding the Fourth Proportional to 7,383.81, 11,080.71 and 5,539.44

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Solution

The fourth proportional to 7,383.81, 11,080.71 and 5,539.44 is: 8,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.81 : 11,080.71 = 5,539.44 : x
  2. Step 2: Convert to fraction form
    7,383.81/11,080.71 = 5,539.44/x
  3. Step 3: Cross multiply
    7,383.81x = 11,080.71 × 5,539.44
  4. Step 4: Simplify right side
    7,383.81x = 61,380,928.20
  5. Step 5: Solve for x
    x = 61,380,928.20/7,383.81
  6. Step 6: Final answer
    x = 8,312.91

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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.