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Finding the Fourth Proportional to 7,237.57, 10,857.21 and 2,305.48

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Solution

The fourth proportional to 7,237.57, 10,857.21 and 2,305.48 is: 3,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.57 : 10,857.21 = 2,305.48 : x
  2. Step 2: Convert to fraction form
    7,237.57/10,857.21 = 2,305.48/x
  3. Step 3: Cross multiply
    7,237.57x = 10,857.21 × 2,305.48
  4. Step 4: Simplify right side
    7,237.57x = 25,031,080.51
  5. Step 5: Solve for x
    x = 25,031,080.51/7,237.57
  6. Step 6: Final answer
    x = 3,458.49

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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.