Home / 5,104.12-7,655.94-1,406.20

Finding the Fourth Proportional to 5,104.12, 7,655.94 and 1,406.20

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Solution

The fourth proportional to 5,104.12, 7,655.94 and 1,406.20 is: 2,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.12 : 7,655.94 = 1,406.20 : x
  2. Step 2: Convert to fraction form
    5,104.12/7,655.94 = 1,406.20/x
  3. Step 3: Cross multiply
    5,104.12x = 7,655.94 × 1,406.20
  4. Step 4: Simplify right side
    5,104.12x = 10,765,782.83
  5. Step 5: Solve for x
    x = 10,765,782.83/5,104.12
  6. Step 6: Final answer
    x = 2,109.23

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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.