Home / 5,142.23-7,707.16-2,365.07

Finding the Fourth Proportional to 5,142.23, 7,707.16 and 2,365.07

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Solution

The fourth proportional to 5,142.23, 7,707.16 and 2,365.07 is: 3,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.23 : 7,707.16 = 2,365.07 : x
  2. Step 2: Convert to fraction form
    5,142.23/7,707.16 = 2,365.07/x
  3. Step 3: Cross multiply
    5,142.23x = 7,707.16 × 2,365.07
  4. Step 4: Simplify right side
    5,142.23x = 18,227,961.08
  5. Step 5: Solve for x
    x = 18,227,961.08/5,142.23
  6. Step 6: Final answer
    x = 3,544.76

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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.