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Finding the Fourth Proportional to 9,203.76, 13,807.62 and 3,360.42

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Solution

The fourth proportional to 9,203.76, 13,807.62 and 3,360.42 is: 5,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.76 : 13,807.62 = 3,360.42 : x
  2. Step 2: Convert to fraction form
    9,203.76/13,807.62 = 3,360.42/x
  3. Step 3: Cross multiply
    9,203.76x = 13,807.62 × 3,360.42
  4. Step 4: Simplify right side
    9,203.76x = 46,399,402.40
  5. Step 5: Solve for x
    x = 46,399,402.40/9,203.76
  6. Step 6: Final answer
    x = 5,041.35

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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.