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Finding the Fourth Proportional to 5,257.23, 7,256.23 and 3,373.28

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Solution

The fourth proportional to 5,257.23, 7,256.23 and 3,373.28 is: 4,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.23 : 7,256.23 = 3,373.28 : x
  2. Step 2: Convert to fraction form
    5,257.23/7,256.23 = 3,373.28/x
  3. Step 3: Cross multiply
    5,257.23x = 7,256.23 × 3,373.28
  4. Step 4: Simplify right side
    5,257.23x = 24,477,260.35
  5. Step 5: Solve for x
    x = 24,477,260.35/5,257.23
  6. Step 6: Final answer
    x = 4,655.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.