Home / 5,206.23-7,805.07-2,431.53

Finding the Fourth Proportional to 5,206.23, 7,805.07 and 2,431.53

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Solution

The fourth proportional to 5,206.23, 7,805.07 and 2,431.53 is: 3,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.23 : 7,805.07 = 2,431.53 : x
  2. Step 2: Convert to fraction form
    5,206.23/7,805.07 = 2,431.53/x
  3. Step 3: Cross multiply
    5,206.23x = 7,805.07 × 2,431.53
  4. Step 4: Simplify right side
    5,206.23x = 18,978,261.86
  5. Step 5: Solve for x
    x = 18,978,261.86/5,206.23
  6. Step 6: Final answer
    x = 3,645.30

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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.