Home / 5,415.93-8,118.99-1,950.75

Finding the Fourth Proportional to 5,415.93, 8,118.99 and 1,950.75

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Solution

The fourth proportional to 5,415.93, 8,118.99 and 1,950.75 is: 2,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.93 : 8,118.99 = 1,950.75 : x
  2. Step 2: Convert to fraction form
    5,415.93/8,118.99 = 1,950.75/x
  3. Step 3: Cross multiply
    5,415.93x = 8,118.99 × 1,950.75
  4. Step 4: Simplify right side
    5,415.93x = 15,838,119.74
  5. Step 5: Solve for x
    x = 15,838,119.74/5,415.93
  6. Step 6: Final answer
    x = 2,924.36

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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.