Home / 7,436.21-11,153.09-2,505.74

Finding the Fourth Proportional to 7,436.21, 11,153.09 and 2,505.74

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Solution

The fourth proportional to 7,436.21, 11,153.09 and 2,505.74 is: 3,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.21 : 11,153.09 = 2,505.74 : x
  2. Step 2: Convert to fraction form
    7,436.21/11,153.09 = 2,505.74/x
  3. Step 3: Cross multiply
    7,436.21x = 11,153.09 × 2,505.74
  4. Step 4: Simplify right side
    7,436.21x = 27,946,694.24
  5. Step 5: Solve for x
    x = 27,946,694.24/7,436.21
  6. Step 6: Final answer
    x = 3,758.19

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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.