Home / 7,272.20-10,913.82-5,329.48

Finding the Fourth Proportional to 7,272.20, 10,913.82 and 5,329.48

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Solution

The fourth proportional to 7,272.20, 10,913.82 and 5,329.48 is: 7,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.20 : 10,913.82 = 5,329.48 : x
  2. Step 2: Convert to fraction form
    7,272.20/10,913.82 = 5,329.48/x
  3. Step 3: Cross multiply
    7,272.20x = 10,913.82 × 5,329.48
  4. Step 4: Simplify right side
    7,272.20x = 58,164,985.41
  5. Step 5: Solve for x
    x = 58,164,985.41/7,272.20
  6. Step 6: Final answer
    x = 7,998.27

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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.