Home / 5,443.07-7,512.13-3,205.15

Finding the Fourth Proportional to 5,443.07, 7,512.13 and 3,205.15

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Solution

The fourth proportional to 5,443.07, 7,512.13 and 3,205.15 is: 4,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.07 : 7,512.13 = 3,205.15 : x
  2. Step 2: Convert to fraction form
    5,443.07/7,512.13 = 3,205.15/x
  3. Step 3: Cross multiply
    5,443.07x = 7,512.13 × 3,205.15
  4. Step 4: Simplify right side
    5,443.07x = 24,077,487.44
  5. Step 5: Solve for x
    x = 24,077,487.44/5,443.07
  6. Step 6: Final answer
    x = 4,423.51

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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.