Home / 7,520.91-11,270.57-4,227.08

Finding the Fourth Proportional to 7,520.91, 11,270.57 and 4,227.08

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Solution

The fourth proportional to 7,520.91, 11,270.57 and 4,227.08 is: 6,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.91 : 11,270.57 = 4,227.08 : x
  2. Step 2: Convert to fraction form
    7,520.91/11,270.57 = 4,227.08/x
  3. Step 3: Cross multiply
    7,520.91x = 11,270.57 × 4,227.08
  4. Step 4: Simplify right side
    7,520.91x = 47,641,601.04
  5. Step 5: Solve for x
    x = 47,641,601.04/7,520.91
  6. Step 6: Final answer
    x = 6,334.55

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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.