Home / 7,919.25-10,928.42-4,562.05

Finding the Fourth Proportional to 7,919.25, 10,928.42 and 4,562.05

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Solution

The fourth proportional to 7,919.25, 10,928.42 and 4,562.05 is: 6,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.25 : 10,928.42 = 4,562.05 : x
  2. Step 2: Convert to fraction form
    7,919.25/10,928.42 = 4,562.05/x
  3. Step 3: Cross multiply
    7,919.25x = 10,928.42 × 4,562.05
  4. Step 4: Simplify right side
    7,919.25x = 49,855,943.82
  5. Step 5: Solve for x
    x = 49,855,943.82/7,919.25
  6. Step 6: Final answer
    x = 6,295.54

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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.