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Finding the Fourth Proportional to 5,808.56, 8,015.64 and 4,243.28

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Solution

The fourth proportional to 5,808.56, 8,015.64 and 4,243.28 is: 5,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.56 : 8,015.64 = 4,243.28 : x
  2. Step 2: Convert to fraction form
    5,808.56/8,015.64 = 4,243.28/x
  3. Step 3: Cross multiply
    5,808.56x = 8,015.64 × 4,243.28
  4. Step 4: Simplify right side
    5,808.56x = 34,012,604.90
  5. Step 5: Solve for x
    x = 34,012,604.90/5,808.56
  6. Step 6: Final answer
    x = 5,855.60

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1.5x scale

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.