Home / 7,261.65-10,889.71-3,103.58

Finding the Fourth Proportional to 7,261.65, 10,889.71 and 3,103.58

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Solution

The fourth proportional to 7,261.65, 10,889.71 and 3,103.58 is: 4,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.65 : 10,889.71 = 3,103.58 : x
  2. Step 2: Convert to fraction form
    7,261.65/10,889.71 = 3,103.58/x
  3. Step 3: Cross multiply
    7,261.65x = 10,889.71 × 3,103.58
  4. Step 4: Simplify right side
    7,261.65x = 33,797,105.63
  5. Step 5: Solve for x
    x = 33,797,105.63/7,261.65
  6. Step 6: Final answer
    x = 4,654.19

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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.