Home / 7,477.11-11,215.53-2,550.18

Finding the Fourth Proportional to 7,477.11, 11,215.53 and 2,550.18

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Solution

The fourth proportional to 7,477.11, 11,215.53 and 2,550.18 is: 3,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.11 : 11,215.53 = 2,550.18 : x
  2. Step 2: Convert to fraction form
    7,477.11/11,215.53 = 2,550.18/x
  3. Step 3: Cross multiply
    7,477.11x = 11,215.53 × 2,550.18
  4. Step 4: Simplify right side
    7,477.11x = 28,601,620.30
  5. Step 5: Solve for x
    x = 28,601,620.30/7,477.11
  6. Step 6: Final answer
    x = 3,825.22

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Double scale
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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.