Home / 8,923.60-13,377.86-5,629.45

Finding the Fourth Proportional to 8,923.60, 13,377.86 and 5,629.45

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Solution

The fourth proportional to 8,923.60, 13,377.86 and 5,629.45 is: 8,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.60 : 13,377.86 = 5,629.45 : x
  2. Step 2: Convert to fraction form
    8,923.60/13,377.86 = 5,629.45/x
  3. Step 3: Cross multiply
    8,923.60x = 13,377.86 × 5,629.45
  4. Step 4: Simplify right side
    8,923.60x = 75,309,965.83
  5. Step 5: Solve for x
    x = 75,309,965.83/8,923.60
  6. Step 6: Final answer
    x = 8,439.42

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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.