Home / 5,015.52-6,922.08-2,919.60

Finding the Fourth Proportional to 5,015.52, 6,922.08 and 2,919.60

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Solution

The fourth proportional to 5,015.52, 6,922.08 and 2,919.60 is: 4,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.52 : 6,922.08 = 2,919.60 : x
  2. Step 2: Convert to fraction form
    5,015.52/6,922.08 = 2,919.60/x
  3. Step 3: Cross multiply
    5,015.52x = 6,922.08 × 2,919.60
  4. Step 4: Simplify right side
    5,015.52x = 20,209,704.77
  5. Step 5: Solve for x
    x = 20,209,704.77/5,015.52
  6. Step 6: Final answer
    x = 4,029.43

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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.