Home / 8,147.12-11,242.44-4,610.72

Finding the Fourth Proportional to 8,147.12, 11,242.44 and 4,610.72

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Solution

The fourth proportional to 8,147.12, 11,242.44 and 4,610.72 is: 6,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.12 : 11,242.44 = 4,610.72 : x
  2. Step 2: Convert to fraction form
    8,147.12/11,242.44 = 4,610.72/x
  3. Step 3: Cross multiply
    8,147.12x = 11,242.44 × 4,610.72
  4. Step 4: Simplify right side
    8,147.12x = 51,835,742.96
  5. Step 5: Solve for x
    x = 51,835,742.96/8,147.12
  6. Step 6: Final answer
    x = 6,362.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.