Home / 7,617.78-11,427.24-2,423.70

Finding the Fourth Proportional to 7,617.78, 11,427.24 and 2,423.70

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Solution

The fourth proportional to 7,617.78, 11,427.24 and 2,423.70 is: 3,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.78 : 11,427.24 = 2,423.70 : x
  2. Step 2: Convert to fraction form
    7,617.78/11,427.24 = 2,423.70/x
  3. Step 3: Cross multiply
    7,617.78x = 11,427.24 × 2,423.70
  4. Step 4: Simplify right side
    7,617.78x = 27,696,201.59
  5. Step 5: Solve for x
    x = 27,696,201.59/7,617.78
  6. Step 6: Final answer
    x = 3,635.73

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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.