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Finding the Fourth Proportional to 5,440, 8,135.08 and 4,054.30

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Solution

The fourth proportional to 5,440, 8,135.08 and 4,054.30 is: 6,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440 : 8,135.08 = 4,054.30 : x
  2. Step 2: Convert to fraction form
    5,440/8,135.08 = 4,054.30/x
  3. Step 3: Cross multiply
    5,440x = 8,135.08 × 4,054.30
  4. Step 4: Simplify right side
    5,440x = 32,982,054.84
  5. Step 5: Solve for x
    x = 32,982,054.84/5,440
  6. Step 6: Final answer
    x = 6,062.88

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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.