Home / 5,015.21-7,520.06-1,725.59

Finding the Fourth Proportional to 5,015.21, 7,520.06 and 1,725.59

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Solution

The fourth proportional to 5,015.21, 7,520.06 and 1,725.59 is: 2,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.21 : 7,520.06 = 1,725.59 : x
  2. Step 2: Convert to fraction form
    5,015.21/7,520.06 = 1,725.59/x
  3. Step 3: Cross multiply
    5,015.21x = 7,520.06 × 1,725.59
  4. Step 4: Simplify right side
    5,015.21x = 12,976,494.11
  5. Step 5: Solve for x
    x = 12,976,494.11/5,015.21
  6. Step 6: Final answer
    x = 2,587.43

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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.