Home / 5,277.66-7,283.22-2,919.85

Finding the Fourth Proportional to 5,277.66, 7,283.22 and 2,919.85

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Solution

The fourth proportional to 5,277.66, 7,283.22 and 2,919.85 is: 4,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.66 : 7,283.22 = 2,919.85 : x
  2. Step 2: Convert to fraction form
    5,277.66/7,283.22 = 2,919.85/x
  3. Step 3: Cross multiply
    5,277.66x = 7,283.22 × 2,919.85
  4. Step 4: Simplify right side
    5,277.66x = 21,265,880.76
  5. Step 5: Solve for x
    x = 21,265,880.76/5,277.66
  6. Step 6: Final answer
    x = 4,029.42

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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.