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Finding the Fourth Proportional to 5,346.75, 8,016.75 and 2,574.12

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Solution

The fourth proportional to 5,346.75, 8,016.75 and 2,574.12 is: 3,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.75 : 8,016.75 = 2,574.12 : x
  2. Step 2: Convert to fraction form
    5,346.75/8,016.75 = 2,574.12/x
  3. Step 3: Cross multiply
    5,346.75x = 8,016.75 × 2,574.12
  4. Step 4: Simplify right side
    5,346.75x = 20,636,076.51
  5. Step 5: Solve for x
    x = 20,636,076.51/5,346.75
  6. Step 6: Final answer
    x = 3,859.56

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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.