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Finding the Fourth Proportional to 7,505.92, 11,256.72 and 2,310.40

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Solution

The fourth proportional to 7,505.92, 11,256.72 and 2,310.40 is: 3,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.92 : 11,256.72 = 2,310.40 : x
  2. Step 2: Convert to fraction form
    7,505.92/11,256.72 = 2,310.40/x
  3. Step 3: Cross multiply
    7,505.92x = 11,256.72 × 2,310.40
  4. Step 4: Simplify right side
    7,505.92x = 26,007,525.89
  5. Step 5: Solve for x
    x = 26,007,525.89/7,505.92
  6. Step 6: Final answer
    x = 3,464.94

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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.