Home / 8,847.48-12,205.42-5,304.54

Finding the Fourth Proportional to 8,847.48, 12,205.42 and 5,304.54

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Solution

The fourth proportional to 8,847.48, 12,205.42 and 5,304.54 is: 7,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.48 : 12,205.42 = 5,304.54 : x
  2. Step 2: Convert to fraction form
    8,847.48/12,205.42 = 5,304.54/x
  3. Step 3: Cross multiply
    8,847.48x = 12,205.42 × 5,304.54
  4. Step 4: Simplify right side
    8,847.48x = 64,744,138.61
  5. Step 5: Solve for x
    x = 64,744,138.61/8,847.48
  6. Step 6: Final answer
    x = 7,317.81

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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.