Home / 10,457.33-15,687.93-3,437.73

Finding the Fourth Proportional to 10,457.33, 15,687.93 and 3,437.73

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Solution

The fourth proportional to 10,457.33, 15,687.93 and 3,437.73 is: 5,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.33 : 15,687.93 = 3,437.73 : x
  2. Step 2: Convert to fraction form
    10,457.33/15,687.93 = 3,437.73/x
  3. Step 3: Cross multiply
    10,457.33x = 15,687.93 × 3,437.73
  4. Step 4: Simplify right side
    10,457.33x = 53,930,867.60
  5. Step 5: Solve for x
    x = 53,930,867.60/10,457.33
  6. Step 6: Final answer
    x = 5,157.23

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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.