Home / 5,015.15-7,518.11-1,727.46

Finding the Fourth Proportional to 5,015.15, 7,518.11 and 1,727.46

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Solution

The fourth proportional to 5,015.15, 7,518.11 and 1,727.46 is: 2,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.15 : 7,518.11 = 1,727.46 : x
  2. Step 2: Convert to fraction form
    5,015.15/7,518.11 = 1,727.46/x
  3. Step 3: Cross multiply
    5,015.15x = 7,518.11 × 1,727.46
  4. Step 4: Simplify right side
    5,015.15x = 12,987,188.07
  5. Step 5: Solve for x
    x = 12,987,188.07/5,015.15
  6. Step 6: Final answer
    x = 2,589.59

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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.