Home / 7,421.05-11,123.02-3,725.83

Finding the Fourth Proportional to 7,421.05, 11,123.02 and 3,725.83

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Solution

The fourth proportional to 7,421.05, 11,123.02 and 3,725.83 is: 5,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.05 : 11,123.02 = 3,725.83 : x
  2. Step 2: Convert to fraction form
    7,421.05/11,123.02 = 3,725.83/x
  3. Step 3: Cross multiply
    7,421.05x = 11,123.02 × 3,725.83
  4. Step 4: Simplify right side
    7,421.05x = 41,442,481.61
  5. Step 5: Solve for x
    x = 41,442,481.61/7,421.05
  6. Step 6: Final answer
    x = 5,584.45

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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.