Home / 4,282.88-5,911.31-2,515.05

Finding the Fourth Proportional to 4,282.88, 5,911.31 and 2,515.05

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Solution

The fourth proportional to 4,282.88, 5,911.31 and 2,515.05 is: 3,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.88 : 5,911.31 = 2,515.05 : x
  2. Step 2: Convert to fraction form
    4,282.88/5,911.31 = 2,515.05/x
  3. Step 3: Cross multiply
    4,282.88x = 5,911.31 × 2,515.05
  4. Step 4: Simplify right side
    4,282.88x = 14,867,246.50
  5. Step 5: Solve for x
    x = 14,867,246.50/4,282.88
  6. Step 6: Final answer
    x = 3,471.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.