Home / 10,405.60-15,610.43-3,010.30

Finding the Fourth Proportional to 10,405.60, 15,610.43 and 3,010.30

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Solution

The fourth proportional to 10,405.60, 15,610.43 and 3,010.30 is: 4,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.60 : 15,610.43 = 3,010.30 : x
  2. Step 2: Convert to fraction form
    10,405.60/15,610.43 = 3,010.30/x
  3. Step 3: Cross multiply
    10,405.60x = 15,610.43 × 3,010.30
  4. Step 4: Simplify right side
    10,405.60x = 46,992,062.38
  5. Step 5: Solve for x
    x = 46,992,062.38/10,405.60
  6. Step 6: Final answer
    x = 4,516.04

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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.