Home / 7,520.08-11,260.68-5,187.28

Finding the Fourth Proportional to 7,520.08, 11,260.68 and 5,187.28

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Solution

The fourth proportional to 7,520.08, 11,260.68 and 5,187.28 is: 7,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.08 : 11,260.68 = 5,187.28 : x
  2. Step 2: Convert to fraction form
    7,520.08/11,260.68 = 5,187.28/x
  3. Step 3: Cross multiply
    7,520.08x = 11,260.68 × 5,187.28
  4. Step 4: Simplify right side
    7,520.08x = 58,412,300.15
  5. Step 5: Solve for x
    x = 58,412,300.15/7,520.08
  6. Step 6: Final answer
    x = 7,767.51

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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.