Home / 7,622.83-11,434.25-2,428.71

Finding the Fourth Proportional to 7,622.83, 11,434.25 and 2,428.71

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Solution

The fourth proportional to 7,622.83, 11,434.25 and 2,428.71 is: 3,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.83 : 11,434.25 = 2,428.71 : x
  2. Step 2: Convert to fraction form
    7,622.83/11,434.25 = 2,428.71/x
  3. Step 3: Cross multiply
    7,622.83x = 11,434.25 × 2,428.71
  4. Step 4: Simplify right side
    7,622.83x = 27,770,477.32
  5. Step 5: Solve for x
    x = 27,770,477.32/7,622.83
  6. Step 6: Final answer
    x = 3,643.07

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Similar ratio
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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.