Home / 7,520.85-11,259.41-5,581.71

Finding the Fourth Proportional to 7,520.85, 11,259.41 and 5,581.71

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Solution

The fourth proportional to 7,520.85, 11,259.41 and 5,581.71 is: 8,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.85 : 11,259.41 = 5,581.71 : x
  2. Step 2: Convert to fraction form
    7,520.85/11,259.41 = 5,581.71/x
  3. Step 3: Cross multiply
    7,520.85x = 11,259.41 × 5,581.71
  4. Step 4: Simplify right side
    7,520.85x = 62,846,733.48
  5. Step 5: Solve for x
    x = 62,846,733.48/7,520.85
  6. Step 6: Final answer
    x = 8,356.33

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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.