Home / 7,440.78-11,160.85-2,246.50

Finding the Fourth Proportional to 7,440.78, 11,160.85 and 2,246.50

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Solution

The fourth proportional to 7,440.78, 11,160.85 and 2,246.50 is: 3,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.78 : 11,160.85 = 2,246.50 : x
  2. Step 2: Convert to fraction form
    7,440.78/11,160.85 = 2,246.50/x
  3. Step 3: Cross multiply
    7,440.78x = 11,160.85 × 2,246.50
  4. Step 4: Simplify right side
    7,440.78x = 25,072,849.53
  5. Step 5: Solve for x
    x = 25,072,849.53/7,440.78
  6. Step 6: Final answer
    x = 3,369.65

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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.