Home / 7,520.72-11,281.08-3,359.72

Finding the Fourth Proportional to 7,520.72, 11,281.08 and 3,359.72

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Solution

The fourth proportional to 7,520.72, 11,281.08 and 3,359.72 is: 5,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.72 : 11,281.08 = 3,359.72 : x
  2. Step 2: Convert to fraction form
    7,520.72/11,281.08 = 3,359.72/x
  3. Step 3: Cross multiply
    7,520.72x = 11,281.08 × 3,359.72
  4. Step 4: Simplify right side
    7,520.72x = 37,901,213.69
  5. Step 5: Solve for x
    x = 37,901,213.69/7,520.72
  6. Step 6: Final answer
    x = 5,039.58

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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.